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Cushion|Lab Grown|IGI

5.13ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG811646517

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811646517

Diamond specifications and retailer prices

From $8,637 USD
As of November 1, 2026
Save $22,512 USD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $31,149 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.13ct lab-grown cushion diamond

This 5.13ct 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 LG811646517 or 811646517. Listed at 13 retailers as of October 31, 2026, with prices from $8,637 to $31,149, a $22,512 spread on the same certified stone. Taylor and Hart lists it at $31,149. 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

5.13
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle29.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811646517
Dimensions11.98 × 8.55 × 5.72 mm
L/W Ratio1.40
Girdle conditionFaceted
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
11.98 mm8.55 mm5.13 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811646517
Side View
Table 62.0%Crown 32.4°Girdle: MED-THKPavilion 29.2°Culet: NoneDepth 66.9%

Caratlytics Score

How it works →
A
Excellent
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: $11,773 USD|Low: $6,772 USD|High: $31,279 USD|Avg: $15,833 USD|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
November 1, 2026
Retailer 11$8,637 USD
Retailer 12$9,421 USD
Retailer 2$9,675 USD
Retailer 8$9,758 USD
Retailer 10$10,700 USD
Retailer 9$11,292 USD
Retailer 1$11,773 USD
Retailer 4$13,990 USD
Retailer 6$17,863 USD
Retailer 5$19,827 USD
Retailer 7$24,989 USD
Retailer 3$27,177 USD
Taylor and Hart$31,149 USD

42 data points across 13 retailers

13 retailers$8,637 USD to $31,149 USD

A
Cheapest Retailer
-
$8,637 USD
A
Retailer 2
-
$9,421 USD
View
Final sale: no returns
A
Retailer 3
-
$9,675 USD
View
Retailer 4
-
$9,758 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$10,700 USD
View
A
Retailer 6
-
$11,292 USD
View
A
Retailer 7
-
$11,773 USD
£9,270 GBP
View
A
Retailer 8
-
$13,990 USD
£11,016 GBP
View
B+
Retailer 9
-
$17,863 USD
£14,065 GBP
View
B+
Retailer 10
-
$19,827 USD
ZAR 320,303 ZAR
View
B
Retailer 11
-
$24,989 USD
View
B
Retailer 12
-
$27,177 USD
View
Most Expensive
B
Taylor and Hart
Z416YLS · Oct 31
$31,149 USD
View
12 more retailers have this diamond
Prices start from $8,637 USDSave up to $22,512 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
5.13ct Cushion
$8,637 USD