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Cushion|Lab Grown|IGI

4.53ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG811627102

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811627102

Diamond specifications and retailer prices

From $4,739 USD
As of November 3, 2026
Save $16,562 USD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $21,301 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.53ct lab-grown cushion diamond

This 4.53ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811627102 or 811627102. Listed at 13 retailers as of October 31, 2026, with prices from $4,739 to $21,301, a $16,562 spread on the same certified stone. Taylor and Hart lists it at $21,301. 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

4.53
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle30.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811627102
Dimensions12.40 × 8.31 × 5.18 mm
L/W Ratio1.49
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
12.40 mm8.31 mm4.53 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811627102
Side View
Table 57.0%Crown 32.7°Girdle: MED-STKPavilion 30.1°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
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: Nov 3
Current: $4,739 USD|Low: $4,739 USD|High: $24,350 USD|Avg: $11,134 USD|-29.7%
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 3, 2026
Retailer 1$4,739 USD
Retailer 7$5,230 USD
Retailer 3$5,480 USD
Retailer 4$5,945 USD
Retailer 6$6,290 USD
Retailer 12$6,904 USD
Retailer 9$7,592 USD
Retailer 10$7,597 USD
Retailer 5$9,167 USD
Retailer 8$10,163 USD
Retailer 2$12,652 USD
Retailer 11$13,636 USD
Taylor and Hart$21,301 USD

43 data points across 13 retailers

13 retailers$4,739 USD to $21,301 USD

A
Cheapest Retailer
-
$4,739 USD
Final sale: no returns
A
Retailer 2
-
$5,230 USD
View
A
Retailer 3
-
$5,480 USD
View
Retailer 4
-
$5,945 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$6,290 USD
£4,953 GBP
View
A
Retailer 6
-
$6,904 USD
£5,436 GBP
View
A
Retailer 7
-
$7,592 USD
View
A
Retailer 8
-
$7,597 USD
View
A
Retailer 9
-
$9,167 USD
View
B+
Retailer 10
-
$10,163 USD
£8,002 GBP
View
B+
Retailer 11
-
$12,652 USD
ZAR 204,399 ZAR
View
B+
Retailer 12
-
$13,636 USD
View
Most Expensive
B
Taylor and Hart
SEOMI08 · Oct 31
$21,301 USD
View
12 more retailers have this diamond
Prices start from $4,739 USDSave up to $16,562 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
4.53ct Cushion
$4,739 USD