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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 $1,750 NZD
As of November 6, 2026
Save $9,673 NZD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $11,423 NZD 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 $1,750 to $11,423, a $9,673 spread on the same certified stone. MOH London lists it at $11,423. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $11,423 NZD|Low: $1,750 NZD|High: $11,606 NZD|Avg: $6,003 NZD|-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$1,750 NZD
Retailer 8$3,456 NZD
Retailer 12$3,761 NZD
Retailer 13$3,871 NZD
Retailer 9$4,010 NZD
Retailer 3$4,311 NZD
Retailer 4$5,141 NZD
Retailer 10$6,281 NZD
Retailer 7$6,584 NZD
Retailer 2$7,378 NZD
Retailer 11$7,517 NZD
MOH London$11,423 NZD
Retailer 5$11,482 NZD

22 data points across 13 retailers

12 retailers$1,750 NZD to $11,423 NZD

A
Cheapest Retailer
-
$1,750 NZD
B+
Retailer 2
-
$3,456 NZD
View
B
Retailer 3
-
$3,761 NZD
View
B+
Retailer 4
-
$3,871 NZD
View
Final sale: no returns
Retailer 5
-
$4,010 NZD
View
Price last confirmed 27 days ago
B+
Retailer 6
-
$4,010 NZD
View
B+
Retailer 7
-
$4,311 NZD
View
B
Retailer 8
-
$6,281 NZD
View
B
Retailer 9
-
$6,584 NZD
View
B
Retailer 10
-
$7,378 NZD
View
B
Retailer 11
-
$7,517 NZD
View
Most Expensive
B
MOH London
LG512220516 · Nov 5
$11,423 NZD
£4,986 GBP
View
11 more retailers have this diamond
Prices start from $1,750 NZDSave up to $9,673 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
1.75ct Radiant
$1,750 NZD