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Oval|Lab Grown|IGI

4.75ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG645423289

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG645423289

Diamond specifications and retailer prices

From $1,010 SGD
$790 USD
As of October 31, 2026
Save $4,206 SGD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,388 SGD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 4.75ct lab-grown oval diamond

This 4.75ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG645423289 or 645423289. Listed at 14 retailers as of October 30, 2026, with a 416% 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

4.75
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645423289
Dimensions13.87 × 9.56 × 5.86 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.87 mm9.56 mm4.75 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645423289
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.3%

Caratlytics Score

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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: $5,388 SGD|Low: $676 SGD|High: $10,342 SGD|Avg: $2,348 SGD|-4.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 5$676 SGD
Retailer 14$703 SGD
Retailer 3$757 SGD
Retailer 6$827 SGD
Retailer 8$839 SGD
Retailer 9$1,010 SGD
Retailer 2$1,289 SGD
Retailer 15$1,298 SGD
Retailer 4$1,379 SGD
Retailer 13$1,430 SGD
Retailer 12$2,163 SGD
Retailer 16$2,204 SGD
Retailer 7$2,540 SGD
Retailer 11$3,518 SGD
Retailer 10$5,216 SGD
Rare Carat$5,388 SGD

37 data points across 16 retailers

14 retailers$1,010 SGD to $5,216 SGD

Retailer 1
-
$676 SGD
$529 USD
Price last confirmed 37 days ago
Retailer 2
-
$703 SGD
£433 GBP
View
Price last confirmed 14 days ago
Retailer 3
-
$757 SGD
$592 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$827 SGD
$647 USD
View
Price last confirmed 33 days ago
A
Retailer 5
-
$1,010 SGD
$790 USD
View
A
Retailer 6
-
$1,289 SGD
£794 GBP
View
B+
Retailer 7
-
$1,298 SGD
$1,015 USD
View
A
Retailer 8
-
$1,379 SGD
$1,079 USD
View
B+
Retailer 9
-
$2,163 SGD
$1,692 USD
View
Retailer 10
-
$2,204 SGD
$1,724 USD
View
Price last confirmed 33 days ago
B+
Retailer 11
-
$2,540 SGD
$1,987 USD
View
B
Retailer 12
-
$3,518 SGD
£2,167 GBP
View
B
Retailer 13
-
$5,216 SGD
$4,080 USD
View
Most Expensive
Rare Carat
596534 · Oct 21
$5,388 SGD
$4,215 USD
View
Price last confirmed 9 days ago
13 more retailers have this diamond
Prices start from $1,010 SGDSave up to $4,206 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
4.75ct Oval
$1,010 SGD