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1.67ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG515226753

Shape and cutting style on the report: Round brilliant

Certificate IGI LG515226753

Diamond specifications and retailer prices

From $1,091 NZD
$615 USD
As of November 1, 2026
Save $1,883 NZD (63%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,974 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.67ct lab-grown round diamond

This 1.67ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG515226753 or 515226753. Listed at 10 retailers as of October 29, 2026, with prices from $1,091 to $2,974, a $1,883 spread on the same certified stone. MOH London lists it at $2,974. 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

1.67
Carat
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515226753
Dimensions7.66 × 7.64 × 4.65 mm
L/W Ratio1.00
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
7.66 mm7.64 mm1.67 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515226753
Side View
Table 59.0%Crown 35°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $2,974 NZD|Low: $523 NZD|High: $2,974 NZD|Avg: $1,553 NZD|+28.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6$523 NZD
Retailer 4$1,091 NZD
Retailer 2$1,320 NZD
Retailer 5$1,523 NZD
Retailer 3$2,055 NZD
Retailer 7$2,394 NZD
MOH London$2,974 NZD

33 data points across 7 retailers

10 retailers$1,091 NZD to $2,974 NZD

Retailer 1
-
$422 NZD
$238 USD
Price last confirmed 40 days ago
Retailer 2
-
$490 NZD
$276 USD
View
Price last confirmed 40 days ago
Retailer 3
-
$516 NZD
$291 USD
View
Price last confirmed 40 days ago
B+
Retailer 4
-
$1,091 NZD
$615 USD
View
B+
Retailer 5
-
$1,320 NZD
£586 GBP
View
B+
Retailer 6
-
$1,523 NZD
$859 USD
View
Retailer 7
-
$1,856 NZD
$1,046 USD
View
Price last confirmed 41 days ago
B
Retailer 8
-
$2,055 NZD
$1,158 USD
View
B
Retailer 9
-
$2,394 NZD
$1,349 USD
View
Most Expensive
C
MOH London
LG515226753 · Oct 29
$2,974 NZD
£1,320 GBP
View
9 more retailers have this diamond
Prices start from $1,091 NZDSave up to $1,883 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.

B+
1.67ct Round
$1,091 NZD