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Round|Lab Grown|IGI

3.07ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG490174539

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490174539

Diamond specifications and retailer prices

From $3,060 NZD
As of November 5, 2026
Save $19,697 NZD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $22,757 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 3.07ct lab-grown round diamond

This 3.07ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG490174539 or 490174539. Listed at 11 retailers as of November 5, 2026, with prices from $3,060 to $22,757, a $19,697 spread on the same certified stone. MOH London lists it at $22,757. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.07
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490174539
Dimensions9.30 × 9.24 × 5.73 mm
L/W Ratio1.01
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
9.30 mm9.24 mm3.07 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490174539
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 40.2°Culet: NoneDepth 61.8%

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 5
Current: $22,757 NZD|Low: $3,060 NZD|High: $23,125 NZD|Avg: $13,031 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 2$3,060 NZD
Retailer 4$9,667 NZD
Retailer 6$10,826 NZD
Retailer 7$11,234 NZD
Retailer 8$11,992 NZD
Retailer 3$13,810 NZD
Retailer 5$17,318 NZD
MOH London$22,757 NZD

17 data points across 8 retailers

11 retailers$3,060 NZD to $22,757 NZD

A
Cheapest Retailer
-
$3,060 NZD
B+
Retailer 2
-
$9,667 NZD
View
B+
Retailer 3
-
$10,131 NZD
View
B+
Retailer 4
-
$10,826 NZD
View
Final sale: no returns
B+
Retailer 5
-
$11,214 NZD
View
Retailer 6
-
$11,214 NZD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$11,234 NZD
View
B
Retailer 8
-
$13,312 NZD
View
B
Retailer 9
-
$13,810 NZD
View
B
Retailer 10
-
$17,318 NZD
View
Most Expensive
B
MOH London
LG490174539 · Nov 5
$22,757 NZD
£10,073 GBP
View
10 more retailers have this diamond
Prices start from $3,060 NZDSave up to $19,697 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
3.07ct Round
$3,060 NZD