CaratHunter
Plans
Round|Lab Grown|IGI

3.58ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG627455007

Shape and cutting style on the report: Round brilliant

Certificate IGI LG627455007

Diamond specifications and retailer prices

From $805 SGD
$630 USD
As of October 31, 2026
Save $2,263 SGD (74%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,068 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.58ct lab-grown round diamond

This 3.58ct 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 LG627455007 or 627455007. Listed at 17 retailers as of October 31, 2026, with prices from $805 to $3,068, a $2,263 spread on the same certified stone. Brilliant Earth lists it at $3,068. 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

3.58
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627455007
Dimensions9.88 × 9.84 × 6.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.88 mm9.84 mm3.58 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627455007
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.8%

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 31
Current: $3,068 SGD|Low: $619 SGD|High: $3,170 SGD|Avg: $1,691 SGD|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 8$619 SGD
Retailer 7$805 SGD
Retailer 11$975 SGD
Retailer 12$982 SGD
Retailer 6$1,023 SGD
Retailer 5$1,118 SGD
Retailer 3$1,131 SGD
Retailer 9$1,735 SGD
Retailer 10$2,384 SGD
Retailer 2$2,416 SGD
Retailer 4$3,064 SGD
Brilliant Earth$3,068 SGD

36 data points across 12 retailers

17 retailers$805 SGD to $3,068 SGD

Retailer 1
-
$499 SGD
$390 USD
Price last confirmed 38 days ago
Retailer 2
-
$559 SGD
$437 USD
View
Price last confirmed 39 days ago
Retailer 3
-
$610 SGD
$477 USD
View
Price last confirmed 36 days ago
Retailer 4
-
$619 SGD
$484 USD
View
Price last confirmed 21 days ago
Retailer 5
-
$619 SGD
$484 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$805 SGD
$630 USD
View
Retailer 7
-
$975 SGD
£600 GBP
View
Price last confirmed 21 days ago
B+
Retailer 8
-
$982 SGD
$768 USD
View
A
Retailer 9
-
$1,023 SGD
€762 EUR
View
A
Retailer 10
-
$1,118 SGD
£689 GBP
View
A
Retailer 11
-
$1,131 SGD
$885 USD
View
B+
Retailer 12
-
$1,735 SGD
$1,357 USD
View
Retailer 13
-
$1,988 SGD
$1,555 USD
View
Price last confirmed 35 days ago
B
Retailer 14
-
$2,384 SGD
$1,865 USD
View
B+
Retailer 15
-
$2,416 SGD
£1,488 GBP
View
B
Retailer 16
-
$3,064 SGD
$2,397 USD
View
Most Expensive
B
Brilliant Earth
10307221A · Oct 31
$3,068 SGD
$2,400 USD
View
16 more retailers have this diamond
Prices start from $805 SGDSave up to $2,263 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.

A
3.58ct Round
$805 SGD