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Cushion|Lab Grown|IGI

3.10ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG803623457

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG803623457

Diamond specifications and retailer prices

From $4,389 NZD
As of November 4, 2026
Save $11,499 NZD (72%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $15,888 NZD at Taylor and Hart · As of November 4, 2026
View at Taylor and Hart

About this 3.1ct lab-grown cushion diamond

This 3.1ct 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 LG803623457 or 803623457. Listed at 13 retailers as of November 4, 2026, with prices from $4,389 to $15,888, a $11,499 spread on the same certified stone. Taylor and Hart lists it at $15,888. 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

3.10
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803623457
Dimensions10.17 × 7.68 × 5.27 mm
L/W Ratio1.32
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
10.17 mm7.68 mm3.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803623457
Side View
Table 61.0%Crown 34.1°Girdle: MED-STKPavilion 38°Culet: NoneDepth 68.6%

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 4
Current: $12,301 NZD|Low: $4,389 NZD|High: $24,744 NZD|Avg: $10,724 NZD|-23.1%
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 5, 2026
Retailer 12$4,389 NZD
Retailer 7$4,843 NZD
Retailer 11$4,877 NZD
Retailer 8$5,961 NZD
Retailer 5$6,197 NZD
Retailer 6$6,835 NZD
Retailer 4$7,006 NZD
Retailer 9$7,100 NZD
Retailer 3$8,623 NZD
Retailer 2$12,139 NZD
Retailer 1$12,301 NZD
Retailer 10$13,491 NZD
Taylor and Hart$15,888 NZD

43 data points across 13 retailers

13 retailers$4,389 NZD to $15,888 NZD

A
Cheapest Retailer
-
$4,389 NZD
Final sale: no returns
A
Retailer 2
-
$4,843 NZD
View
A
Retailer 3
-
$4,877 NZD
View
A
Retailer 4
-
$5,961 NZD
View
A
Retailer 5
-
$6,197 NZD
View
A
Retailer 6
-
$6,835 NZD
View
Retailer 7
-
$7,006 NZD
View
Price last confirmed 24 days ago
A
Retailer 8
-
$7,100 NZD
View
B+
Retailer 9
-
$8,623 NZD
View
Retailer 10
-
$12,139 NZD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
$12,301 NZD
View
B+
Retailer 12
-
$13,491 NZD
View
Most Expensive
B
Taylor and Hart
8IXV5GF · Nov 4
$15,888 NZD
$8,956 USD
View
12 more retailers have this diamond
Prices start from $4,389 NZDSave up to $11,499 NZD

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
3.10ct Cushion
$4,389 NZD