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Radiant|Lab Grown|IGI

1.75ct J VS1 Radiant Lab Grown Diamond

ID • J/VS1 • IGI LG512220516

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG512220516

Diamond specifications and retailer prices

From $1,412 AUD
As of November 6, 2026
Save $7,804 AUD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,216 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.75ct lab-grown radiant diamond

This 1.75ct lab-grown radiant 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 LG512220516 or 512220516. Listed at 12 retailers as of November 5, 2026, with prices from $1,412 to $9,216, a $7,804 spread on the same certified stone. MOH London lists it at $9,216. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.75
Carat
J
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle26°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512220516
Dimensions7.77 × 6.11 × 3.78 mm
L/W Ratio1.27
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.77 mm6.11 mm1.75 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512220516
Side View
Table 67.5%Crown 40.3°Girdle: STK-THKPavilion 26°Culet: NoneDepth 61.9%

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: Nov 6
Current: $9,216 AUD|Low: $1,412 AUD|High: $9,364 AUD|Avg: $4,844 AUD|-1.3%
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
November 5, 2026
Retailer 6$1,412 AUD
Retailer 8$2,789 AUD
Retailer 12$3,035 AUD
Retailer 13$3,123 AUD
Retailer 9$3,235 AUD
Retailer 3$3,478 AUD
Retailer 4$4,148 AUD
Retailer 10$5,068 AUD
Retailer 7$5,312 AUD
Retailer 2$5,953 AUD
Retailer 11$6,065 AUD
MOH London$9,216 AUD
Retailer 5$9,264 AUD

22 data points across 13 retailers

12 retailers$1,412 AUD to $9,216 AUD

A
Cheapest Retailer
-
$1,412 AUD
B+
Retailer 2
-
$2,789 AUD
View
B
Retailer 3
-
$3,035 AUD
View
B+
Retailer 4
-
$3,123 AUD
View
Final sale: no returns
Retailer 5
-
$3,235 AUD
View
Price last confirmed 27 days ago
B+
Retailer 6
-
$3,235 AUD
View
B+
Retailer 7
-
$3,478 AUD
View
B
Retailer 8
-
$5,068 AUD
View
B
Retailer 9
-
$5,312 AUD
View
B
Retailer 10
-
$5,953 AUD
View
B
Retailer 11
-
$6,065 AUD
View
Most Expensive
B
MOH London
LG512220516 · Nov 5
$9,216 AUD
£4,986 GBP
View
11 more retailers have this diamond
Prices start from $1,412 AUDSave up to $7,804 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
1.75ct Radiant
$1,412 AUD