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Oval|Lab Grown|GIA

3.56ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • GIA 1488040291

Certificate GIA 1488040291

Diamond specifications and retailer prices

From $1,845 SGD
$1,443 USD
As of November 1, 2026
Save $4,854 SGD (72%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,699 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.56ct lab-grown oval diamond

This 3.56ct 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 stated by the retailer rather than the lab and certified by GIA 1488040291. Listed at 7 retailers as of October 31, 2026, with prices from $1,845 to $6,699, a $4,854 spread on the same certified stone. Brilliant Earth lists it at $6,699. 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

3.56
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1488040291
Dimensions12.14 × 8.67 × 5.43 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Cert comments
This is a man-made diamond.
Key to symbols
Growth Remnant
Top View
12.14 mm8.67 mm3.56 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1488040291
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,699 SGD|Low: $1,544 SGD|High: $7,876 SGD|Avg: $3,128 SGD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 7$1,845 SGD
Retailer 8$1,866 SGD
Retailer 3$2,007 SGD
Retailer 5$2,140 SGD
Retailer 4$2,812 SGD
Retailer 6$4,012 SGD
Retailer 2$4,357 SGD
Brilliant Earth$6,699 SGD

16 data points across 8 retailers

7 retailers$1,845 SGD to $6,699 SGD

B+
Cheapest Retailer
-
$1,845 SGD
$1,443 USD
B+
Retailer 2
-
$2,007 SGD
$1,570 USD
View
B+
Retailer 3
-
$2,140 SGD
$1,674 USD
View
B+
Retailer 4
-
$2,812 SGD
$2,200 USD
View
B
Retailer 5
-
$4,012 SGD
$3,138 USD
View
B
Retailer 6
-
$4,357 SGD
$3,408 USD
View
Most Expensive
B
Brilliant Earth
8522606A · Oct 31
$6,699 SGD
$5,240 USD
View
6 more retailers have this diamond
Prices start from $1,845 SGDSave up to $4,854 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.

B+
3.56ct Oval
$1,845 SGD