Round|Lab Grown|IGI

2.30ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG492134121

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492134121

Diamond specifications and retailer prices

From $2,293 NZD
$1,290 USD
As of November 2, 2026
Save $13,453 NZD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $15,746 NZD at MOH London · As of November 3, 2026
View at MOH London

About this 2.3ct lab-grown round diamond

This 2.3ct lab-grown round sits in the two to three carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492134121 or 492134121. Listed at 11 retailers as of November 2, 2026, with prices from $2,293 to $15,746, a $13,453 spread on the same certified stone. MOH London lists it at $15,746. 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

2.30
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492134121
Dimensions8.51 × 8.55 × 5.10 mm
L/W Ratio1.00
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
8.51 mm8.55 mm2.30 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492134121
Side View
Table 59.5%Crown 34.1°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 59.8%

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 2
Current: $15,746 NZD|Low: $2,293 NZD|High: $15,956 NZD|Avg: $7,919 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 2$2,293 NZD
Retailer 4$5,355 NZD
Retailer 7$5,997 NZD
Retailer 5$6,212 NZD
Retailer 8$6,496 NZD
Retailer 9$7,474 NZD
Retailer 3$8,744 NZD
Retailer 6$9,656 NZD
MOH London$15,746 NZD

16 data points across 9 retailers

11 retailers$2,293 NZD to $15,746 NZD

A
Cheapest Retailer
-
$2,293 NZD
$1,290 USD
B+
Retailer 2
-
$5,355 NZD
$3,013 USD
View
B+
Retailer 3
-
$5,826 NZD
$3,278 USD
View
B+
Retailer 4
-
$5,997 NZD
$3,374 USD
View
Final sale: no returns
Retailer 5
-
$6,212 NZD
$3,495 USD
View
Price last confirmed 21 days ago
B+
Retailer 6
-
$6,212 NZD
$3,495 USD
View
B+
Retailer 7
-
$6,496 NZD
$3,655 USD
View
B
Retailer 8
-
$7,763 NZD
$4,368 USD
View
B
Retailer 9
-
$8,744 NZD
$4,920 USD
View
B
Retailer 10
-
$9,656 NZD
$5,433 USD
View
Most Expensive
B
MOH London
LG492134121 · Nov 3
$15,746 NZD
£6,976 GBP
View
10 more retailers have this diamond
Prices start from $2,293 NZDSave up to $13,453 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
2.30ct Round
$2,293 NZD