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Round|Lab Grown|IGI

1.71ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG451057246

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451057246

Diamond specifications and retailer prices

From $1,352 AUD
$950 USD
As of October 30, 2026
Save $5,758 AUD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,111 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG451057246 or 451057246. Listed at 13 retailers as of October 29, 2026, with prices from $1,352 to $7,111, a $5,758 spread on the same certified stone. MOH London lists it at $7,111. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057246
Dimensions7.64 × 7.66 × 4.69 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.64 mm7.66 mm1.71 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057246
Side View
Table 59.5%Crown 35.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.3%

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: $7,111 AUD|Low: $1,352 AUD|High: $7,158 AUD|Avg: $3,542 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
October 30, 2026
Retailer 2$1,352 AUD
Retailer 12$2,135 AUD
Retailer 3$2,323 AUD
Retailer 15$2,392 AUD
Retailer 5$2,477 AUD
Retailer 13$2,477 AUD
Retailer 11$2,719 AUD
Retailer 6$3,363 AUD
Retailer 8$3,695 AUD
Retailer 14$3,904 AUD
Retailer 10$4,379 AUD
Retailer 9$4,553 AUD
Retailer 4$4,642 AUD
Retailer 7$5,541 AUD
MOH London$7,111 AUD

27 data points across 15 retailers

13 retailers$1,352 AUD to $7,111 AUD

A
Cheapest Retailer
-
$1,352 AUD
$950 USD
A
Retailer 2
-
$2,135 AUD
$1,500 USD
View
B+
Retailer 3
-
$2,323 AUD
$1,632 USD
View
B+
Retailer 4
-
$2,392 AUD
$1,680 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,477 AUD
$1,740 USD
View
Retailer 6
-
$2,477 AUD
$1,740 USD
View
Price last confirmed 17 days ago
B+
Retailer 7
-
$2,719 AUD
$1,910 USD
View
B+
Retailer 8
-
$3,695 AUD
£2,044 GBP
View
B
Retailer 9
-
$3,904 AUD
$2,742 USD
View
B
Retailer 10
-
$4,379 AUD
$3,076 USD
View
B
Retailer 11
-
$4,553 AUD
ZAR 51,664 ZAR
View
B
Retailer 12
-
$4,642 AUD
$3,261 USD
View
Most Expensive
B
MOH London
LG451057246 · Oct 29
$7,111 AUD
£3,933 GBP
View
12 more retailers have this diamond
Prices start from $1,352 AUDSave up to $5,758 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
$1,352 AUD