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Round|Lab Grown|IGI

1.71ct J VS2 Round Lab Grown Diamond

EX • J/VS2 • IGI LG451057247

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451057247

Diamond specifications and retailer prices

From $1,810 NZD
$1,020 USD
As of October 30, 2026
Save $6,440 NZD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,250 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.71ct lab-grown round diamond

This 1.71ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG451057247 or 451057247. Listed at 12 retailers as of October 29, 2026, with prices from $1,810 to $8,250, a $6,440 spread on the same certified stone. MOH London lists it at $8,250. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
J
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057247
Dimensions7.79 × 7.73 × 4.60 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.79 mm7.73 mm1.71 ctJ / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057247
Side View
Table 60.0%Crown 31.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.3%

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: $8,250 NZD|Low: $1,810 NZD|High: $8,315 NZD|Avg: $4,278 NZD|+0.5%
MOH London
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
October 30, 2026
Retailer 2$1,810 NZD
Retailer 10$2,477 NZD
Retailer 13$2,695 NZD
Retailer 15$2,771 NZD
Retailer 11$2,873 NZD
Retailer 16$2,873 NZD
Retailer 3$3,176 NZD
Retailer 9$3,600 NZD
Retailer 7$3,808 NZD
Retailer 5$3,937 NZD
Retailer 12$4,537 NZD
Retailer 4$5,215 NZD
Retailer 14$5,385 NZD
Retailer 8$6,431 NZD
Retailer 6$8,225 NZD
MOH London$8,250 NZD

24 data points across 16 retailers

12 retailers$1,810 NZD to $8,250 NZD

A
Cheapest Retailer
-
$1,810 NZD
$1,020 USD
A
Retailer 2
-
$2,477 NZD
$1,396 USD
View
A
Retailer 3
-
$2,695 NZD
$1,519 USD
View
A
Retailer 4
-
$2,771 NZD
$1,562 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,873 NZD
$1,619 USD
View
Retailer 6
-
$2,873 NZD
$1,619 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$3,176 NZD
$1,790 USD
View
B+
Retailer 8
-
$3,600 NZD
£1,598 GBP
View
B
Retailer 9
-
$4,537 NZD
$2,557 USD
View
B
Retailer 10
-
$5,215 NZD
$2,939 USD
View
B
Retailer 11
-
$5,385 NZD
$3,035 USD
View
Most Expensive
B
MOH London
LG451057247 · Oct 29
$8,250 NZD
£3,661 GBP
View
11 more retailers have this diamond
Prices start from $1,810 NZDSave up to $6,440 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
1.71ct Round
$1,810 NZD