CaratHunter
Plans
Oval|Lab Grown|IGI

3.00ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG451092175

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451092175

Diamond specifications and retailer prices

From $3,085 NZD
As of November 6, 2026
Save $17,862 NZD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $20,946 NZD at MOH London · As of November 5, 2026
View at MOH London

About this 3ct lab-grown oval diamond

This 3ct lab-grown oval 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 LG451092175 or 451092175. Listed at 11 retailers as of November 5, 2026, with prices from $3,085 to $20,946, a $17,862 spread on the same certified stone. MOH London lists it at $20,946. 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

3.00
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.8°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451092175
Dimensions11.06 × 8.21 × 5.00 mm
L/W Ratio1.35
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD).
Top View
11.06 mm8.21 mm3.00 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG451092175
Side View
Table 60.0%Crown 36.8°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 60.9%

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: $20,946 NZD|Low: $3,085 NZD|High: $21,283 NZD|Avg: $12,126 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 2$3,085 NZD
Retailer 4$8,897 NZD
Retailer 7$9,963 NZD
Retailer 5$10,322 NZD
Retailer 8$10,363 NZD
Retailer 9$11,408 NZD
Retailer 3$12,941 NZD
Retailer 10$13,297 NZD
Retailer 6$15,954 NZD
MOH London$20,946 NZD

15 data points across 10 retailers

11 retailers$3,085 NZD to $20,946 NZD

A
Cheapest Retailer
-
$3,085 NZD
B+
Retailer 2
-
$8,897 NZD
View
B+
Retailer 3
-
$9,324 NZD
View
B+
Retailer 4
-
$9,963 NZD
View
Final sale: no returns
B+
Retailer 5
-
$10,322 NZD
View
Retailer 6
-
$10,322 NZD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$10,363 NZD
View
B
Retailer 8
-
$12,252 NZD
View
B
Retailer 9
-
$12,941 NZD
View
B
Retailer 10
-
$15,954 NZD
View
Most Expensive
B
MOH London
LG451092175 · Nov 5
$20,946 NZD
£9,143 GBP
View
10 more retailers have this diamond
Prices start from $3,085 NZDSave up to $17,862 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
3.00ct Oval
$3,085 NZD