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Round|Lab Grown|IGI

3.76ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG621434027

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621434027

Diamond specifications and retailer prices

From $814 SGD
$637 USD
As of November 1, 2026
Save $3,282 SGD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,827 SGD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.76ct lab-grown round diamond

This 3.76ct 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 LG621434027 or 621434027. Listed at 12 retailers as of November 1, 2026, with a 403% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.76
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621434027
Dimensions9.90 × 9.87 × 6.16 mm
L/W Ratio1.00
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
9.90 mm9.87 mm3.76 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621434027
Side View
Table 58.0%Crown 35.6°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,827 SGD|Low: $782 SGD|High: $6,827 SGD|Avg: $2,441 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 10$814 SGD
Retailer 13$886 SGD
Retailer 12$1,373 SGD
Retailer 11$1,544 SGD
Retailer 7$1,547 SGD
Retailer 6$1,737 SGD
Retailer 5$1,755 SGD
Retailer 9$2,414 SGD
Retailer 8$2,589 SGD
Retailer 4$2,807 SGD
Retailer 3$2,933 SGD
Retailer 2$4,096 SGD
Do Amore Diamonds$6,827 SGD

35 data points across 13 retailers

12 retailers$814 SGD to $4,096 SGD

A
Cheapest Retailer
-
$814 SGD
$637 USD
A
Retailer 2
-
$886 SGD
$693 USD
View
A
Retailer 3
-
$1,373 SGD
$1,074 USD
View
B+
Retailer 4
-
$1,544 SGD
$1,208 USD
View
B+
Retailer 5
-
$1,547 SGD
$1,210 USD
View
B+
Retailer 6
-
$1,737 SGD
£1,070 GBP
View
B
Retailer 7
-
$2,414 SGD
$1,888 USD
View
Retailer 8
-
$2,589 SGD
$2,025 USD
View
Price last confirmed 15 days ago
B
Retailer 9
-
$2,807 SGD
$2,196 USD
View
B
Retailer 10
-
$2,933 SGD
$2,294 USD
View
B
Retailer 11
-
$4,096 SGD
£2,523 GBP
View
Most Expensive
Do Amore Diamonds
7-1615573 · Nov 2
$6,827 SGD
$5,340 USD
View
Price under review
11 more retailers have this diamond
Prices start from $814 SGDSave up to $3,282 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
3.76ct Round
$814 SGD