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Radiant|Lab Grown|IGI

5.16ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG770633971

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

Certificate IGI LG770633971

Diamond specifications and retailer prices

From €7,910 EUR
$8,837 USD
As of October 30, 2026
Save €21,090 EUR (73%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €29,000 EUR at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.16ct lab-grown radiant diamond

This 5.16ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG770633971 or 770633971. Listed at 21 retailers as of October 30, 2026, with prices from €7,910 to €29,000, a €21,090 spread on the same certified stone. Taylor and Hart lists it at €29,000. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.16
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770633971
Dimensions12.36 × 8.53 × 5.57 mm
L/W Ratio1.45
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
12.36 mm8.53 mm5.16 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770633971
Side View
Table 64.0%Crown 44.9°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 65.3%

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: €14,573 EUR|Low: €7,910 EUR|High: €30,942 EUR|Avg: €13,685 EUR|-5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
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Retailer 18
Taylor and Hart
October 31, 2026
Retailer 9€7,910 EUR
Retailer 6€8,114 EUR
Retailer 14€8,226 EUR
Retailer 7€8,859 EUR
Retailer 17€9,085 EUR
Retailer 3€9,176 EUR
Retailer 2€9,794 EUR
Retailer 18€9,944 EUR
Retailer 15€10,044 EUR
Retailer 10€10,319 EUR
Retailer 16€10,614 EUR
Retailer 11€11,082 EUR
Retailer 8€13,150 EUR
Retailer 1€14,573 EUR
Retailer 5€16,783 EUR
Retailer 12€16,795 EUR
Retailer 13€19,068 EUR
Retailer 4€25,556 EUR
Taylor and Hart€29,000 EUR

43 data points across 19 retailers

21 retailers€7,910 EUR to €29,000 EUR

A
Cheapest Retailer
-
€7,910 EUR
$8,837 USD
A
Retailer 2
-
€8,114 EUR
$9,065 USD
View
A
Retailer 3
-
€8,226 EUR
$9,190 USD
View
A
Retailer 4
-
€8,859 EUR
$9,897 USD
View
Final sale: no returns
A
Retailer 5
-
€9,085 EUR
$10,150 USD
View
A
Retailer 6
-
€9,176 EUR
$10,251 USD
View
Retailer 7
-
€9,176 EUR
$10,251 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
€9,794 EUR
$10,942 USD
View
A
Retailer 9
-
€9,944 EUR
$11,110 USD
View
A
Retailer 10
-
€10,044 EUR
$11,221 USD
View
A
Retailer 11
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€10,319 EUR
$11,528 USD
View
A
Retailer 12
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€10,614 EUR
$11,858 USD
View
Retailer 13
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€11,049 EUR
£9,720 GBP
View
Price last confirmed 22 days ago
A
Retailer 14
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€11,082 EUR
£9,748 GBP
View
A
Retailer 15
-
€13,150 EUR
£11,568 GBP
View
A
Retailer 16
-
€14,573 EUR
View
B+
Retailer 17
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€16,783 EUR
$18,750 USD
View
A
Retailer 18
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€16,795 EUR
£14,774 GBP
View
Retailer 19
-
€19,068 EUR
A$32,774 AUD
View
Price last confirmed 9 days ago
B+
Retailer 20
-
€25,556 EUR
$28,551 USD
View
Most Expensive
B
Taylor and Hart
Q9L5DMR · Oct 30
€29,000 EUR
$32,399 USD
View
20 more retailers have this diamond
Prices start from €7,910 EURSave up to €21,090 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
5.16ct Radiant
€7,910 EUR