CaratHunter
Plans
Round|Lab Grown|IGI

3.10ct G SI1 Round Lab Grown Diamond

EX • G/SI1 • IGI LG629431039

Shape and cutting style on the report: Round brilliant

Certificate IGI LG629431039

Diamond specifications and retailer prices

From $1,582 SGD
CA$1,719 CAD
As of October 30, 2026
Save $510 SGD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,093 SGD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.1ct lab-grown round diamond

This 3.1ct 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 LG629431039 or 629431039. Listed at 2 retailers as of October 30, 2026, with prices from $1,582 to $2,093, a $510 spread on the same certified stone. The Diamond Guys lists it at $2,093. 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

3.10
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629431039
Dimensions9.22 × 9.16 × 5.82 mm
L/W Ratio1.01
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
9.22 mm9.16 mm3.10 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629431039
Side View
Table 56.0%Crown 36.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.3%

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: Oct 30
Current: $690 SGD|Low: $317 SGD|High: $3,848 SGD|Avg: $1,766 SGD|-38.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
The Diamond Guys
August 9, 2026
Retailer 9$327 SGD
Retailer 1$690 SGD
Retailer 8$701 SGD
Retailer 5$856 SGD
Retailer 12$980 SGD
Retailer 2$1,051 SGD
Retailer 7$1,275 SGD
Retailer 10$1,342 SGD
Retailer 6$1,383 SGD
Retailer 13$1,582 SGD
The Diamond Guys$2,093 SGD
Retailer 4$2,403 SGD
Retailer 11$2,864 SGD
Retailer 3$3,285 SGD

63 data points across 14 retailers

2 retailers$1,582 SGD to $2,093 SGD

B+
Cheapest Retailer
-
$1,582 SGD
CA$1,719 CAD
Most Expensive
B
The Diamond Guys
1954434480 · Oct 30
$2,093 SGD
$1,637 USD
View
1 more retailer has this diamond
Prices start from $1,582 SGDSave up to $510 SGD

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+
3.10ct Round
$1,582 SGD