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Radiant|Lab Grown|IGI

1.65ct D IF Radiant Lab Grown Diamond

VG • D/IF • IGI LG707550338

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG707550338

Diamond specifications and retailer prices

From €327 EUR
$365 USD
As of October 30, 2026
Save €2,833 EUR (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €3,160 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.65ct lab-grown radiant diamond

This 1.65ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG707550338 or 707550338. Listed at 25 retailers as of October 30, 2026, with prices from €327 to €3,160, a €2,833 spread on the same certified stone. Brilliant Earth lists it at €3,160. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.65
Carat
D
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707550338
Dimensions8.18 × 5.91 × 4.03 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.18 mm5.91 mm1.65 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG707550338
Side View
Table 65.0%Crown 43.2°Girdle: MED-STKPavilion 35.9°Culet: NoneDepth 68.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €3,160 EUR|Low: €311 EUR|High: €3,536 EUR|Avg: €1,093 EUR|-10.6%
Brilliant Earth
Retailer 2
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Retailer 22
November 1, 2026
Retailer 6€327 EUR
Retailer 18€366 EUR
Retailer 3€379 EUR
Retailer 9€405 EUR
Retailer 14€405 EUR
Retailer 22€542 EUR
Retailer 8€637 EUR
Retailer 10€648 EUR
Retailer 16€679 EUR
Retailer 21€696 EUR
Retailer 2€731 EUR
Retailer 19€940 EUR
Retailer 11€1,014 EUR
Retailer 5€1,078 EUR
Retailer 7€1,302 EUR
Retailer 15€1,338 EUR
Retailer 13€1,530 EUR
Retailer 12€1,540 EUR
Retailer 20€1,591 EUR
Retailer 17€1,594 EUR
Retailer 4€2,614 EUR
Brilliant Earth€3,160 EUR

35 data points across 22 retailers

25 retailers€327 EUR to €3,160 EUR

A
Cheapest Retailer
-
€327 EUR
$365 USD
A
Retailer 2
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€366 EUR
$409 USD
View
Final sale: no returns
A
Retailer 3
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€379 EUR
$423 USD
View
Retailer 4
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€405 EUR
$453 USD
View
Price last confirmed 7 days ago
A
Retailer 5
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€405 EUR
$453 USD
View
A
Retailer 6
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€542 EUR
$605 USD
View
A
Retailer 7
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€637 EUR
$712 USD
View
A
Retailer 8
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€648 EUR
$724 USD
View
A
Retailer 9
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€679 EUR
View
A
Retailer 10
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€696 EUR
ZAR 12,565 ZAR
View
A
Retailer 11
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€731 EUR
£643 GBP
View
A
Retailer 12
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€940 EUR
A$1,616 AUD
View
B+
Retailer 13
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€1,014 EUR
$1,133 USD
View
B+
Retailer 14
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€1,078 EUR
$1,204 USD
View
B+
Retailer 15
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€1,302 EUR
$1,455 USD
View
B+
Retailer 16
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€1,338 EUR
$1,495 USD
View
B+
Retailer 17
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€1,362 EUR
$1,522 USD
View
B+
Retailer 18
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€1,480 EUR
$1,653 USD
View
B
Retailer 19
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€1,530 EUR
$1,709 USD
View
B
Retailer 20
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€1,540 EUR
$1,720 USD
View
B+
Retailer 21
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€1,591 EUR
£1,400 GBP
View
B+
Retailer 22
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€1,594 EUR
A$2,739 AUD
View
Retailer 23
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€2,518 EUR
$2,813 USD
View
Price last confirmed 62 days ago
B
Retailer 24
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€2,614 EUR
$2,920 USD
View
Most Expensive
B
Brilliant Earth
15466022A · Oct 31
€3,160 EUR
$3,530 USD
View
24 more retailers have this diamond
Prices start from €327 EURSave up to €2,833 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.65ct Radiant
€327 EUR