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Radiant|Lab Grown|IGI

1.70ct G IF Radiant Lab Grown Diamond

ID • G/IF • IGI LG581327872

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

Certificate IGI LG581327872

Diamond specifications and retailer prices

From €288 EUR
$322 USD
As of October 30, 2026
Save €1,985 EUR (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,274 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.7ct lab-grown radiant diamond

This 1.7ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG581327872 or 581327872. Listed at 18 retailers as of October 30, 2026, with prices from €288 to €2,274, a €1,985 spread on the same certified stone. Brilliant Earth lists it at €2,274. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581327872
Dimensions8.12 × 5.99 × 4.08 mm
L/W Ratio1.36
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 Faint Blue
Top View
8.12 mm5.99 mm1.70 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581327872
Side View
Table 63.0%Crown 44.2°Girdle: MediumPavilion 36.3°Culet: NoneDepth 68.1%

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: €2,274 EUR|Low: €277 EUR|High: €2,891 EUR|Avg: €875 EUR|-21.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 15€288 EUR
Retailer 5€322 EUR
Retailer 3€357 EUR
Retailer 14€482 EUR
Retailer 11€497 EUR
Retailer 6€594 EUR
Retailer 12€602 EUR
Retailer 10€614 EUR
Retailer 8€638 EUR
Retailer 9€833 EUR
Retailer 13€855 EUR
Retailer 7€1,023 EUR
Retailer 4€1,373 EUR
Retailer 2€1,431 EUR
Brilliant Earth€2,274 EUR

44 data points across 15 retailers

18 retailers€288 EUR to €2,274 EUR

A
Cheapest Retailer
-
€288 EUR
$322 USD
A
Retailer 2
-
€322 EUR
$360 USD
View
Final sale: no returns
A
Retailer 3
-
€334 EUR
$373 USD
View
Retailer 4
-
€357 EUR
$399 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€357 EUR
$399 USD
View
A
Retailer 6
-
€482 EUR
$538 USD
View
A
Retailer 7
-
€497 EUR
$555 USD
View
A
Retailer 8
-
€594 EUR
$664 USD
View
A
Retailer 9
-
€614 EUR
ZAR 11,074 ZAR
View
A
Retailer 10
-
€638 EUR
£561 GBP
View
A
Retailer 11
-
€833 EUR
A$1,431 AUD
View
B+
Retailer 12
-
€855 EUR
$955 USD
View
B+
Retailer 13
-
€1,023 EUR
$1,143 USD
View
B+
Retailer 14
-
€1,148 EUR
$1,282 USD
View
B+
Retailer 15
-
€1,188 EUR
$1,327 USD
View
B
Retailer 16
-
€1,373 EUR
$1,534 USD
View
B+
Retailer 17
-
€1,431 EUR
£1,259 GBP
View
Most Expensive
B
Brilliant Earth
21312144A · Oct 31
€2,274 EUR
$2,540 USD
View
17 more retailers have this diamond
Prices start from €288 EURSave up to €1,985 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
1.70ct Radiant
€288 EUR