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Oval|Lab Grown|GIA

1.51ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • GIA 5523242511

Certificate GIA 5523242511

Diamond specifications and retailer prices

From $611 SGD
$478 USD
As of October 30, 2026
Save $2,881 SGD (83%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,492 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two 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 5523242511. Listed at 7 retailers as of October 29, 2026, with prices from $611 to $3,492, a $2,881 spread on the same certified stone. MOH London lists it at $3,492. 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

1.51
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 5523242511
Dimensions9.13 × 6.44 × 4.08 mm
L/W Ratio1.42
Top View
9.13 mm6.44 mm1.51 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5523242511
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 63.3%

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 30
Current: $3,492 SGD|Low: $360 SGD|High: $3,512 SGD|Avg: $1,369 SGD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 7$360 SGD
Retailer 4$611 SGD
Retailer 6$794 SGD
Retailer 2$937 SGD
Retailer 5$2,170 SGD
Retailer 3$2,220 SGD
MOH London$3,492 SGD

36 data points across 7 retailers

7 retailers$611 SGD to $3,492 SGD

A
Cheapest Retailer
-
$611 SGD
$478 USD
B+
Retailer 2
-
$794 SGD
$621 USD
View
B+
Retailer 3
-
$937 SGD
£577 GBP
View
B
Retailer 4
-
$1,608 SGD
CA$1,747 CAD
View
B
Retailer 5
-
$2,170 SGD
$1,698 USD
View
B
Retailer 6
-
$2,220 SGD
$1,737 USD
View
Most Expensive
B
MOH London
5523242511 · Oct 29
$3,492 SGD
£2,151 GBP
View
6 more retailers have this diamond
Prices start from $611 SGDSave up to $2,881 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
1.51ct Oval
$611 SGD