CaratHunter
Plans
Round|Lab Grown|IGI

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 $627 USD
HK$4,900 HKD
As of October 29, 2026
Save $3,483 USD (85%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,110 USD at Brilliant Earth · As of October 28, 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 28, 2026, with prices from $627 to $4,110, a $3,483 spread on the same certified stone. Brilliant Earth lists it at $4,110. 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
Color
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: Oct 29
Current: $4,110 USD|Low: $627 USD|High: $4,240 USD|Avg: $1,675 USD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 4$627 USD
Retailer 3$895 USD
Retailer 10$895 USD
Retailer 2$897 USD
Retailer 8$1,231 USD
Retailer 7$1,539 USD
Retailer 9$1,814 USD
Retailer 5$1,855 USD
Retailer 6$2,115 USD
Brilliant Earth$4,110 USD

25 data points across 10 retailers

10 retailers$627 USD to $4,110 USD

A
Cheapest Retailer
-
$627 USD
HK$4,900 HKD
B+
Retailer 2
-
$895 USD
View
B+
Retailer 3
-
$895 USD
View
A
Retailer 4
-
$897 USD
£707 GBP
View
B+
Retailer 5
-
$1,231 USD
View
B
Retailer 6
-
$1,539 USD
View
B
Retailer 7
-
$1,814 USD
SGD 2,452 SGD
View
B
Retailer 8
-
$1,855 USD
View
Price last confirmed 11 days ago
B
Retailer 9
-
$2,115 USD
£1,665 GBP
View
Most Expensive
B
Brilliant Earth
21611744A · Oct 28
$4,110 USD
View
9 more retailers have this diamond
Prices start from $627 USDSave up to $3,483 USD

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
$627 USD