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3.17ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG594337066

Shape and cutting style on the report: Round brilliant

Certificate IGI LG594337066

Diamond specifications and retailer prices

From $823 SGD
$644 USD
As of October 28, 2026
Save $1,925 SGD (70%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,749 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.17ct lab-grown round diamond

This 3.17ct 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 LG594337066 or 594337066. Listed at 4 retailers as of October 28, 2026, with prices from $823 to $2,749, a $1,925 spread on the same certified stone. Brilliant Earth lists it at $2,749. 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

3.17
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG594337066
Dimensions9.39 × 9.30 × 5.84 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
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
9.39 mm9.30 mm3.17 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG594337066
Side View
Table 57.0%Crown 35.4°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: $2,749 SGD|Low: $823 SGD|High: $2,749 SGD|Avg: $1,724 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 25, 2026
Retailer 3$823 SGD
Retailer 4$1,367 SGD
Retailer 2$2,192 SGD
Brilliant Earth$2,749 SGD

12 data points across 4 retailers

4 retailers$823 SGD to $2,749 SGD

B+
Cheapest Retailer
-
$823 SGD
$644 USD
B+
Retailer 2
-
$1,367 SGD
$1,069 USD
View
Retailer 3
-
$2,192 SGD
£1,350 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
21020577Y · Oct 29
$2,749 SGD
$2,150 USD
View
3 more retailers have this diamond
Prices start from $823 SGDSave up to $1,925 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+
3.17ct Round
$823 SGD