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Cushion|Lab Grown|IGI

5.12ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG784645671

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG784645671

Diamond specifications and retailer prices

From $6,302 USD
As of November 1, 2026
Save $35,128 USD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $41,430 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.12ct lab-grown cushion diamond

This 5.12ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784645671 or 784645671. Listed at 10 retailers as of October 31, 2026, with prices from $6,302 to $41,430, a $35,128 spread on the same certified stone. Do Amore Diamonds lists it at $41,430. 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

5.12
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645671
Dimensions11.54 × 9.15 × 5.97 mm
L/W Ratio1.26
Girdle conditionFaceted
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
11.54 mm9.15 mm5.12 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645671
Side View
Table 60.0%Crown 32.2°Girdle: STK-THKPavilion 34.9°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $41,430 USD|Low: $6,302 USD|High: $48,634 USD|Avg: $18,748 USD|-13.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4$6,302 USD
Retailer 7$6,865 USD
Retailer 6$7,692 USD
Retailer 11$9,054 USD
Retailer 10$10,840 USD
Retailer 9$10,851 USD
Retailer 2$13,497 USD
Retailer 8$15,497 USD
Retailer 5$16,110 USD
Do Amore Diamonds$41,430 USD
Retailer 3$48,634 USD

28 data points across 11 retailers

10 retailers$6,302 USD to $41,430 USD

A+
Cheapest Retailer
-
$6,302 USD
A
Retailer 2
-
$6,865 USD
View
A
Retailer 3
-
$7,692 USD
View
A
Retailer 4
-
$9,054 USD
View
Final sale: no returns
Retailer 5
-
$10,840 USD
View
Price last confirmed 26 days ago
A
Retailer 6
-
$10,851 USD
View
A
Retailer 7
-
$13,497 USD
€12,854 EUR
View
A
Retailer 8
-
$15,497 USD
£12,202 GBP
View
B+
Retailer 9
-
$16,110 USD
View
Most Expensive
B
Do Amore Diamonds
27-9B67E169E · Oct 31
$41,430 USD
View
9 more retailers have this diamond
Prices start from $6,302 USDSave up to $35,128 USD

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+
5.12ct Cushion
$6,302 USD