CaratHunter
Plans
Cushion|Lab Grown|IGI

5.15ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG747508065

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG747508065

Diamond specifications and retailer prices

From $5,344 USD
As of November 1, 2026
Save $29,426 USD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $34,770 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.15ct lab-grown cushion diamond

This 5.15ct 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 LG747508065 or 747508065. Listed at 13 retailers as of October 31, 2026, with prices from $5,344 to $34,770, a $29,426 spread on the same certified stone. Do Amore Diamonds lists it at $34,770. 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

5.15
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747508065
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
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
10.37 mm7.13 mm5.15 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747508065
Side View
Table 60.0%Crown 35.5°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 67.7%

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: $34,770 USD|Low: $4,577 USD|High: $38,180 USD|Avg: $14,232 USD|-8.9%
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
November 1, 2026
Retailer 7$5,344 USD
Retailer 10$5,885 USD
Retailer 5$6,056 USD
Retailer 9$7,484 USD
Retailer 4$8,795 USD
Retailer 13$9,275 USD
Retailer 6$10,886 USD
Retailer 11$13,237 USD
Retailer 3$14,204 USD
Retailer 8$14,740 USD
Retailer 12$16,207 USD
Retailer 2$23,202 USD
Do Amore Diamonds$34,770 USD

33 data points across 13 retailers

13 retailers$5,344 USD to $34,770 USD

A+
Cheapest Retailer
-
$5,344 USD
A
Retailer 2
-
$5,885 USD
View
A
Retailer 3
-
$6,056 USD
View
Final sale: no returns
A
Retailer 4
-
$7,484 USD
View
Retailer 5
-
$8,795 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$9,275 USD
View
A
Retailer 7
-
$10,886 USD
€10,368 EUR
View
A
Retailer 8
-
$13,237 USD
£10,423 GBP
View
Retailer 9
-
$14,204 USD
A$21,852 AUD
View
Price last confirmed 9 days ago
A
Retailer 10
-
$14,740 USD
View
B+
Retailer 11
-
$16,207 USD
View
B+
Retailer 12
-
$23,202 USD
A$35,695 AUD
View
Most Expensive
B
Do Amore Diamonds
27-71CF56288 · Oct 31
$34,770 USD
View
12 more retailers have this diamond
Prices start from $5,344 USDSave up to $29,426 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+
5.15ct Cushion
$5,344 USD