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3.38ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG841654015

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841654015

Diamond specifications and retailer prices

From $1,113 NZD
HK$4,900 HKD
As of November 1, 2026
Save $2,897 NZD (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,010 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.38ct lab-grown round diamond

This 3.38ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG841654015 or 841654015. Listed at 10 retailers as of October 31, 2026, with prices from $1,113 to $4,010, a $2,897 spread on the same certified stone. Brilliant Earth lists it at $4,010. 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

3.38
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841654015
Dimensions9.74 × 9.71 × 5.86 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.74 mm9.71 mm3.38 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841654015
Side View
Table 58.0%Crown 33.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.2%

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 1
Current: $4,010 NZD|Low: $1,113 NZD|High: $7,523 NZD|Avg: $2,915 NZD|-46.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 5$1,113 NZD
Retailer 4$1,269 NZD
Retailer 3$1,583 NZD
Retailer 10$1,588 NZD
Retailer 8$2,184 NZD
Retailer 7$2,731 NZD
Retailer 9$3,219 NZD
Retailer 6$3,291 NZD
Retailer 2$3,732 NZD
Brilliant Earth$4,010 NZD

28 data points across 10 retailers

10 retailers$1,113 NZD to $4,010 NZD

A
Cheapest Retailer
-
$1,113 NZD
HK$4,900 HKD
A
Retailer 2
-
$1,269 NZD
$715 USD
View
A
Retailer 3
-
$1,583 NZD
£702 GBP
View
B+
Retailer 4
-
$1,588 NZD
$895 USD
View
B+
Retailer 5
-
$2,184 NZD
$1,231 USD
View
B
Retailer 6
-
$2,731 NZD
$1,539 USD
View
B
Retailer 7
-
$3,219 NZD
SGD 2,452 SGD
View
B
Retailer 8
-
$3,291 NZD
$1,855 USD
View
B
Retailer 9
-
$3,732 NZD
£1,656 GBP
View
Most Expensive
B
Brilliant Earth
21611744A · Oct 31
$4,010 NZD
$2,260 USD
View
9 more retailers have this diamond
Prices start from $1,113 NZDSave up to $2,897 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
3.38ct Round
$1,113 NZD