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Round|Lab Grown|IGI

1.71ct J VS2 Round Lab Grown Diamond

VG • J/VS2 • IGI LG451055573

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451055573

Diamond specifications and retailer prices

From $1,338 AUD
$940 USD
As of October 30, 2026
Save $5,281 AUD (80%) vs most expensive(unlock to see where)
11 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 very-good cut grade and certified by IGI LG451055573 or 451055573. Listed at 11 retailers as of October 29, 2026, with prices from $1,338 to $6,619, a $5,281 spread on the same certified stone. MOH London lists it at $6,619. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.71
Carat
J
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055573
Dimensions7.62 × 7.57 × 4.65 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.62 mm7.57 mm1.71 ctJ / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055573
Side View
Table 61.5%Crown 35.3°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,619 AUD|Low: $1,338 AUD|High: $6,662 AUD|Avg: $3,250 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
October 30, 2026
Retailer 2$1,338 AUD
Retailer 7$1,987 AUD
Retailer 11$2,162 AUD
Retailer 10$2,225 AUD
Retailer 8$2,305 AUD
Retailer 6$2,548 AUD
Retailer 4$2,579 AUD
Retailer 3$3,159 AUD
Retailer 9$3,640 AUD
Retailer 13$4,184 AUD
Retailer 12$4,321 AUD
Retailer 5$5,160 AUD
MOH London$6,619 AUD

15 data points across 13 retailers

11 retailers$1,338 AUD to $6,619 AUD

A
Cheapest Retailer
-
$1,338 AUD
$940 USD
B+
Retailer 2
-
$1,987 AUD
$1,396 USD
View
B+
Retailer 3
-
$2,162 AUD
$1,519 USD
View
B+
Retailer 4
-
$2,225 AUD
$1,563 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
-
$3,640 AUD
$2,557 USD
View
B
Retailer 9
-
$4,184 AUD
$2,939 USD
View
B
Retailer 10
-
$4,321 AUD
$3,035 USD
View
Most Expensive
B
MOH London
LG451055573 · Oct 29
$6,619 AUD
£3,661 GBP
View
10 more retailers have this diamond
Prices start from $1,338 AUDSave up to $5,281 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
$1,338 AUD