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Oval|Lab Grown|IGI

4.00ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG788680462

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG788680462

Diamond specifications and retailer prices

From $1,342 SGD
HK$8,200 HKD
As of October 31, 2026
Save $5,165 SGD (79%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $6,507 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4ct lab-grown oval diamond

This 4ct 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 LG788680462 or 788680462. Listed at 3 retailers as of October 31, 2026, with prices from $1,342 to $6,507, a $5,165 spread on the same certified stone. Brilliant Earth lists it at $6,507. 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

4.00
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788680462
Dimensions12.72 × 9.08 × 5.57 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.72 mm9.08 mm4.00 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788680462
Side View
Table 62.0%Crown 36.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.3%

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: $6,507 SGD|Low: $533 SGD|High: $8,731 SGD|Avg: $2,110 SGD|-25.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 13, 2026
Retailer 10$533 SGD
Retailer 4$586 SGD
Retailer 7$1,342 SGD
Retailer 8$1,356 SGD
Retailer 9$1,378 SGD
Retailer 5$1,403 SGD
Retailer 11$1,445 SGD
Retailer 2$1,662 SGD
Retailer 6$1,910 SGD
Retailer 12$2,045 SGD
Retailer 3$2,912 SGD
Retailer 13$2,950 SGD
Brilliant Earth$6,507 SGD

3 data points across 13 retailers

3 retailers$1,342 SGD to $6,507 SGD

A
Cheapest Retailer
-
$1,342 SGD
HK$8,200 HKD
Retailer 2
-
$1,662 SGD
$1,300 USD
View
Price last confirmed 22 days ago
Most Expensive
B
Brilliant Earth
21160010A · Oct 31
$6,507 SGD
$5,090 USD
View
2 more retailers have this diamond
Prices start from $1,342 SGDSave up to $5,165 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
4.00ct Oval
$1,342 SGD