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Cushion|Lab Grown|IGI

3.10ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG813651571

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG813651571

Diamond specifications and retailer prices

From $3,763 NZD
As of November 4, 2026
Save $30,218 NZD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $33,981 NZD at Mervis Diamond Importers · As of November 4, 2026
View at Mervis Diamond Importers

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 LG813651571 or 813651571. Listed at 19 retailers as of November 4, 2026, with prices from $3,763 to $33,981, a $30,218 spread on the same certified stone. Mervis Diamond Importers lists it at $33,981. 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 angle36.2°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813651571
Dimensions9.61 × 7.76 × 5.29 mm
L/W Ratio1.24
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
9.61 mm7.76 mm3.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813651571
Side View
Table 62.0%Crown 36.2°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 68.2%

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: $33,981 NZD|Low: $3,763 NZD|High: $35,799 NZD|Avg: $11,683 NZD|+50.6%
Mervis Diamond Importers
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
November 5, 2026
Retailer 5$3,763 NZD
Retailer 13$4,116 NZD
Retailer 4$4,290 NZD
Retailer 15$4,408 NZD
Retailer 16$5,466 NZD
Retailer 10$5,863 NZD
Retailer 9$6,037 NZD
Retailer 11$6,475 NZD
Retailer 6$8,164 NZD
Retailer 12$10,023 NZD
Retailer 17$11,572 NZD
Retailer 14$11,584 NZD
Retailer 2$11,645 NZD
Retailer 7$13,557 NZD
Retailer 8$15,051 NZD
Retailer 3$23,133 NZD
Mervis Diamond Importers$33,981 NZD

38 data points across 17 retailers

19 retailers$3,763 NZD to $33,981 NZD

A
Cheapest Retailer
-
$3,763 NZD
Final sale: no returns
A
Retailer 2
-
$4,116 NZD
View
A
Retailer 3
-
$4,290 NZD
View
A
Retailer 4
-
$4,408 NZD
View
A
Retailer 5
-
$5,466 NZD
View
A
Retailer 6
-
$5,863 NZD
View
Retailer 7
-
$6,037 NZD
View
Price last confirmed 24 days ago
A
Retailer 8
-
$6,475 NZD
View
B+
Retailer 9
-
$8,164 NZD
View
B+
Retailer 10
-
$10,023 NZD
View
B+
Retailer 11
-
$11,572 NZD
View
Retailer 12
-
$11,584 NZD
View
Price last confirmed 15 days ago
B+
Retailer 13
-
$11,645 NZD
View
B+
Retailer 14
-
$11,737 NZD
View
B
Retailer 15
-
$13,557 NZD
View
B
Retailer 16
-
$15,051 NZD
View
B
Retailer 17
-
$23,133 NZD
View
B
Retailer 18
-
$26,355 NZD
View
Most Expensive
B
Mervis Diamond Importers
1974991150 · Nov 4
$33,981 NZD
$19,155 USD
View
18 more retailers have this diamond
Prices start from $3,763 NZDSave up to $30,218 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
$3,763 NZD