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Cushion|Lab Grown|IGI

5.10ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG742501489

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG742501489

Diamond specifications and retailer prices

From $3,071 NZD
$1,731 USD
As of October 30, 2026
Save $6,107 NZD (67%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $9,178 NZD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.1ct lab-grown cushion diamond

This 5.1ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG742501489 or 742501489. Listed at 9 retailers as of October 30, 2026, with prices from $3,071 to $9,178, a $6,107 spread on the same certified stone. Taylor and Hart lists it at $9,178. 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

5.10
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.3°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742501489
Dimensions11.88 × 9.27 × 6.21 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.88 mm9.27 mm5.10 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742501489
Side View
Table 65.0%Crown 30.3°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 67.0%

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: Oct 30
Current: $3,613 NZD|Low: $2,342 NZD|High: $12,047 NZD|Avg: $6,197 NZD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Taylor and Hart
October 31, 2026
Retailer 7$2,342 NZD
Retailer 8$3,071 NZD
Retailer 1$3,613 NZD
Retailer 10$3,620 NZD
Retailer 6$3,724 NZD
Retailer 2$5,240 NZD
Retailer 5$6,783 NZD
Retailer 3$8,353 NZD
Retailer 4$8,765 NZD
Taylor and Hart$9,178 NZD
Retailer 9$12,047 NZD

41 data points across 11 retailers

9 retailers$3,071 NZD to $9,178 NZD

Retailer 1
-
$2,342 NZD
$1,320 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$3,071 NZD
$1,731 USD
View
A
Retailer 3
-
$3,613 NZD
£1,604 GBP
View
A
Retailer 4
-
$3,620 NZD
$2,040 USD
View
A
Retailer 5
-
$3,724 NZD
$2,099 USD
View
B+
Retailer 6
-
$6,783 NZD
$3,823 USD
View
B
Retailer 7
-
$8,353 NZD
£3,707 GBP
View
Retailer 8
-
$8,765 NZD
$4,940 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Taylor and Hart
NBIGGM7 · Oct 30
$9,178 NZD
$5,173 USD
View
8 more retailers have this diamond
Prices start from $3,071 NZDSave up to $6,107 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
5.10ct Cushion
$3,071 NZD