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Cushion|Lab Grown|IGI

5.20ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG670477376

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG670477376

Diamond specifications and retailer prices

From $10,442 USD
As of November 1, 2026
Save $31,813 USD (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $42,255 USD at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 5.2ct lab-grown cushion diamond

This 5.2ct lab-grown cushion 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 LG670477376 or 670477376. Listed at 21 retailers as of October 31, 2026, with prices from $10,442 to $42,255, a $31,813 spread on the same certified stone. Michael Trio lists it at $42,255. 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

5.20
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle30°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670477376
Dimensions12.29 × 8.56 × 5.63 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.29 mm8.56 mm5.20 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670477376
Side View
Table 61.0%Crown 38.7°Girdle: MED-THKPavilion 30°Culet: NoneDepth 65.8%

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: $25,111 USD|Low: $11,574 USD|High: $29,103 USD|Avg: $18,950 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 3$11,840 USD
Retailer 12$11,950 USD
Retailer 4$11,988 USD
Retailer 2$12,059 USD
Retailer 9$12,137 USD
Retailer 6$14,145 USD
Retailer 11$18,931 USD
Retailer 8$20,037 USD
Retailer 7$22,662 USD
Retailer 10$24,356 USD
Retailer 13$24,829 USD
Retailer 1$25,111 USD
Retailer 5$26,100 USD

33 data points across 13 retailers

21 retailers$10,442 USD to $42,255 USD

A
Cheapest Retailer
-
$10,442 USD
A
Retailer 2
-
$11,580 USD
View
A
Retailer 3
-
$11,840 USD
View
A
Retailer 4
-
$11,950 USD
View
Retailer 5
-
$11,988 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$12,059 USD
View
A
Retailer 7
-
$12,137 USD
View
Final sale: no returns
A
Retailer 8
-
$12,416 USD
HK$97,000 HKD
View
A
Retailer 9
-
$14,145 USD
£11,138 GBP
View
B+
Retailer 10
-
$17,175 USD
£13,524 GBP
View
Retailer 11
-
$18,882 USD
View
Price last confirmed 83 days ago
B+
Retailer 12
-
$18,931 USD
£14,906 GBP
View
B+
Retailer 13
-
$20,037 USD
€19,083 EUR
View
B+
Retailer 14
-
$22,662 USD
View
B+
Retailer 15
-
$24,356 USD
ZAR 393,481 ZAR
View
Retailer 16
-
$24,829 USD
A$38,198 AUD
View
Price last confirmed 9 days ago
B+
Retailer 17
-
$25,111 USD
A$38,632 AUD
View
B+
Retailer 18
-
$26,100 USD
View
B
Retailer 19
-
$33,400 USD
View
B
Retailer 20
-
$36,672 USD
View
Most Expensive
B
Michael Trio
8073153700 · Oct 31
$42,255 USD
SGD 57,102 SGD
View
20 more retailers have this diamond
Prices start from $10,442 USDSave up to $31,813 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
5.20ct Cushion
$10,442 USD