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Oval|Lab Grown|IGI

4.08ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG687560783

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG687560783

Diamond specifications and retailer prices

From $984 SGD
$770 USD
As of October 31, 2026
Save $3,682 SGD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,666 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.08ct lab-grown oval diamond

This 4.08ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG687560783 or 687560783. Listed at 15 retailers as of October 31, 2026, with prices from $984 to $4,666, a $3,682 spread on the same certified stone. Brilliant Earth lists it at $4,666. 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

4.08
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687560783
Dimensions13.01 × 9.06 × 5.65 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
13.01 mm9.06 mm4.08 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687560783
Side View
Table 58.0%Crown 34.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.4%

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: $4,666 SGD|Low: $753 SGD|High: $4,807 SGD|Avg: $2,129 SGD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 10$753 SGD
Retailer 12$805 SGD
Retailer 5$984 SGD
Retailer 11$1,252 SGD
Retailer 2$1,259 SGD
Retailer 3$1,317 SGD
Retailer 6$1,339 SGD
Retailer 8$2,080 SGD
Retailer 4$2,694 SGD
Retailer 7$3,369 SGD
Retailer 9$3,784 SGD
Brilliant Earth$4,666 SGD

33 data points across 12 retailers

15 retailers$984 SGD to $4,666 SGD

Retailer 1
-
$649 SGD
$508 USD
Price last confirmed 39 days ago
Retailer 2
-
$727 SGD
$569 USD
View
Price last confirmed 36 days ago
Retailer 3
-
$753 SGD
£464 GBP
View
Price last confirmed 15 days ago
Retailer 4
-
$795 SGD
$622 USD
View
Price last confirmed 35 days ago
A
Retailer 5
-
$984 SGD
$770 USD
View
B+
Retailer 6
-
$1,252 SGD
$979 USD
View
A
Retailer 7
-
$1,259 SGD
€938 EUR
View
A
Retailer 8
-
$1,317 SGD
$1,030 USD
View
A
Retailer 9
-
$1,339 SGD
£825 GBP
View
B
Retailer 10
-
$2,080 SGD
$1,627 USD
View
Retailer 11
-
$2,120 SGD
$1,658 USD
View
Price last confirmed 34 days ago
B
Retailer 12
-
$2,694 SGD
$2,107 USD
View
B
Retailer 13
-
$3,369 SGD
£2,075 GBP
View
Retailer 14
-
$3,784 SGD
$2,960 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
13533341A · Oct 31
$4,666 SGD
$3,650 USD
View
14 more retailers have this diamond
Prices start from $984 SGDSave up to $3,682 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
4.08ct Oval
$984 SGD