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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 $1,452 AUD
$1,020 USD
As of October 30, 2026
Save $5,167 AUD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,619 AUD 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 $1,452 to $6,619, a $5,167 spread on the same certified stone. MOH London lists it at $6,619. 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: $6,619 AUD|Low: $1,452 AUD|High: $6,671 AUD|Avg: $3,432 AUD|+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$1,452 AUD
Retailer 10$1,987 AUD
Retailer 13$2,162 AUD
Retailer 15$2,224 AUD
Retailer 11$2,305 AUD
Retailer 16$2,305 AUD
Retailer 3$2,548 AUD
Retailer 9$2,889 AUD
Retailer 7$3,055 AUD
Retailer 5$3,159 AUD
Retailer 12$3,640 AUD
Retailer 4$4,184 AUD
Retailer 14$4,321 AUD
Retailer 8$5,160 AUD
Retailer 6$6,599 AUD
MOH London$6,619 AUD

24 data points across 16 retailers

12 retailers$1,452 AUD to $6,619 AUD

A
Cheapest Retailer
-
$1,452 AUD
$1,020 USD
A
Retailer 2
-
$1,987 AUD
$1,396 USD
View
A
Retailer 3
-
$2,162 AUD
$1,519 USD
View
A
Retailer 4
-
$2,224 AUD
$1,562 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,305 AUD
$1,619 USD
View
Retailer 6
-
$2,305 AUD
$1,619 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$2,548 AUD
$1,790 USD
View
B+
Retailer 8
-
$2,889 AUD
£1,598 GBP
View
B
Retailer 9
-
$3,640 AUD
$2,557 USD
View
B
Retailer 10
-
$4,184 AUD
$2,939 USD
View
B
Retailer 11
-
$4,321 AUD
$3,035 USD
View
Most Expensive
B
MOH London
LG451057247 · Oct 29
$6,619 AUD
£3,661 GBP
View
11 more retailers have this diamond
Prices start from $1,452 AUDSave up to $5,167 AUD

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
$1,452 AUD