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Oval|Lab Grown|GIA

4.12ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • GIA 2506071674

Certificate GIA 2506071674

Diamond specifications and retailer prices

From $1,445 SGD
$1,130 USD
As of October 29, 2026
Save $5,062 SGD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,507 SGD at Kay Jewelers · As of October 30, 2026
View at Kay Jewelers

About this 4.12ct lab-grown oval diamond

This 4.12ct 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 stated by the retailer rather than the lab and certified by GIA 2506071674. Listed at 12 retailers as of October 29, 2026, with prices from $1,445 to $6,507, a $5,062 spread on the same certified stone. Kay Jewelers 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

4.12
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 2506071674
Dimensions12.96 × 9.07 × 5.55 mm
L/W Ratio1.43
Top View
12.96 mm9.07 mm4.12 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2506071674
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 61.2%

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 29
Current: $6,507 SGD|Low: $1,156 SGD|High: $13,334 SGD|Avg: $4,095 SGD
Kay Jewelers
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
October 30, 2026
Retailer 12$1,445 SGD
Retailer 10$1,571 SGD
Retailer 4$1,649 SGD
Retailer 2$1,843 SGD
Retailer 5$2,409 SGD
Retailer 3$2,664 SGD
Retailer 9$2,665 SGD
Retailer 6$2,716 SGD
Retailer 8$2,812 SGD
Retailer 11$3,301 SGD
Retailer 13$3,466 SGD
Retailer 7$5,971 SGD
Kay Jewelers$6,507 SGD
Retailer 14$12,822 SGD

39 data points across 14 retailers

12 retailers$1,445 SGD to $6,507 SGD

A
Cheapest Retailer
-
$1,445 SGD
$1,130 USD
A
Retailer 2
-
$1,571 SGD
$1,229 USD
View
B+
Retailer 3
-
$1,649 SGD
$1,290 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,843 SGD
£1,135 GBP
View
B+
Retailer 5
-
$2,664 SGD
$2,084 USD
View
B+
Retailer 6
-
$2,665 SGD
$2,085 USD
View
B
Retailer 7
-
$2,812 SGD
$2,200 USD
View
B
Retailer 8
-
$3,301 SGD
$2,582 USD
View
B
Retailer 9
-
$3,466 SGD
$2,711 USD
View
B
Retailer 10
-
$5,971 SGD
£3,678 GBP
View
Most Expensive
B
Kay Jewelers
252135070 · Oct 30
$6,507 SGD
$5,090 USD
View
10 more retailers have this diamond
Prices start from $1,445 SGDSave up to $5,062 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
4.12ct Oval
$1,445 SGD