CaratHunter
Plans
Cushion|Lab Grown|IGI

5.31ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG754508875

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG754508875

Diamond specifications and retailer prices

From $5,742 USD
As of November 1, 2026
Save $31,118 USD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $36,860 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.31ct lab-grown cushion diamond

This 5.31ct 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 LG754508875 or 754508875. Listed at 22 retailers as of October 31, 2026, with prices from $5,742 to $36,860, a $31,118 spread on the same certified stone. Do Amore Diamonds lists it at $36,860. 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

5.31
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754508875
Dimensions9.44 × 9.44 × 6.24 mm
L/W Ratio1.00
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
9.44 mm9.44 mm5.31 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754508875
Side View
Table 62.0%Crown 34.8°Girdle: STK-THKPavilion 36°Culet: NoneDepth 66.1%

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: $36,860 USD|Low: $5,742 USD|High: $41,090 USD|Avg: $15,647 USD|-10.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 1, 2026
Retailer 22$5,742 USD
Retailer 13$7,061 USD
Retailer 5$7,204 USD
Retailer 20$7,265 USD
Retailer 21$7,795 USD
Retailer 17$8,591 USD
Retailer 10$8,755 USD
Retailer 14$9,170 USD
Retailer 8$9,769 USD
Retailer 2$10,642 USD
Retailer 18$11,340 USD
Retailer 3$11,758 USD
Retailer 9$13,938 USD
Retailer 4$15,190 USD
Retailer 11$16,646 USD
Retailer 19$16,857 USD
Retailer 6$17,107 USD
Retailer 12$17,612 USD
Retailer 15$23,130 USD
Retailer 16$23,917 USD
Retailer 7$23,994 USD
Do Amore Diamonds$36,860 USD

31 data points across 22 retailers

22 retailers$5,742 USD to $36,860 USD

A
Cheapest Retailer
-
$5,742 USD
A
Retailer 2
-
$7,061 USD
£5,560 GBP
View
A
Retailer 3
-
$7,204 USD
View
Final sale: no returns
A
Retailer 4
-
$7,265 USD
View
A
Retailer 5
-
$7,795 USD
View
A
Retailer 6
-
$8,591 USD
£6,765 GBP
View
A
Retailer 7
-
$8,755 USD
HK$68,400 HKD
View
Retailer 8
-
$9,170 USD
View
Price last confirmed 13 days ago
A
Retailer 9
-
$9,769 USD
£7,692 GBP
View
A
Retailer 10
-
$10,642 USD
View
A
Retailer 11
-
$11,340 USD
€10,800 EUR
View
A
Retailer 12
-
$11,758 USD
View
A
Retailer 13
-
$13,938 USD
ZAR 225,164 ZAR
View
A
Retailer 14
-
$15,190 USD
View
B+
Retailer 15
-
$16,646 USD
£13,107 GBP
View
B+
Retailer 16
-
$16,857 USD
View
B+
Retailer 17
-
$17,107 USD
View
Retailer 18
-
$17,612 USD
A$27,095 AUD
View
Price last confirmed 9 days ago
B+
Retailer 19
-
$23,130 USD
View
B+
Retailer 20
-
$23,917 USD
A$36,795 AUD
View
B+
Retailer 21
-
$23,994 USD
View
Most Expensive
B
Do Amore Diamonds
27-5C15FBEC1 · Oct 31
$36,860 USD
View
21 more retailers have this diamond
Prices start from $5,742 USDSave up to $31,118 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
5.31ct Cushion
$5,742 USD