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Oval|Lab Grown|IGI

3.75ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG799697883

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG799697883

Diamond specifications and retailer prices

From $1,755 SGD
$1,373 USD
As of October 31, 2026
Save $2,920 SGD (62%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $11,442 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.75ct lab-grown oval diamond

This 3.75ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG799697883 or 799697883. Listed at 4 retailers as of October 30, 2026, with a 166% 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

3.75
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799697883
Dimensions12.88 × 8.94 × 5.30 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.88 mm8.94 mm3.75 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799697883
Side View
Table 62.0%Crown 34.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.3%

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: Oct 31
Current: $11,442 SGD|Low: $1,146 SGD|High: $11,442 SGD|Avg: $3,199 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 27, 2026
Retailer 5$1,146 SGD
Retailer 6$1,253 SGD
Retailer 4$1,755 SGD
Retailer 3$2,354 SGD
Retailer 7$3,430 SGD
Retailer 2$4,675 SGD
Do Amore Diamonds$11,442 SGD

4 data points across 7 retailers

4 retailers$1,755 SGD to $4,675 SGD

A
Cheapest Retailer
-
$1,755 SGD
$1,373 USD
B+
Retailer 2
-
$2,354 SGD
$1,841 USD
View
B
Retailer 3
-
$4,675 SGD
CA$5,079 CAD
View
Most Expensive
Do Amore Diamonds
16-500132585 · Oct 31
$11,442 SGD
$8,950 USD
View
Price under review
3 more retailers have this diamond
Prices start from $1,755 SGDSave up to $2,920 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
3.75ct Oval
$1,755 SGD