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Oval|Natural|GIA

1.50ct D IF Oval Natural Diamond

EX • D/IF • GIA 5556400390

Certificate GIA 5556400390

Diamond specifications and retailer prices

From $18,493 SGD
As of November 4, 2026
Save $9,615 SGD (34%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $28,107 SGD at MOH London · As of November 4, 2026
View at MOH London

About this 1.5ct natural oval diamond

This 1.5ct natural oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5556400390. Listed at 11 retailers as of November 4, 2026, with prices from $18,493 to $28,107, a $9,615 spread on the same certified stone. MOH London lists it at $28,107. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
D
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5556400390
Dimensions8.90 × 6.34 × 4.05 mm
L/W Ratio1.40
Culet sizeNone
Key to symbols
Extra Facet
Top View
8.90 mm6.34 mm1.50 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5556400390
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 63.8%

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: Nov 4
Current: $28,107 SGD|Low: $18,259 SGD|High: $28,523 SGD|Avg: $22,318 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 7$18,493 SGD
Retailer 5$19,088 SGD
Retailer 11$19,407 SGD
Retailer 10$19,709 SGD
Retailer 6$20,789 SGD
Retailer 8$21,336 SGD
Retailer 2$21,984 SGD
Retailer 3$22,630 SGD
Retailer 9$26,929 SGD
Retailer 4$27,279 SGD
MOH London$28,107 SGD

25 data points across 11 retailers

11 retailers$18,493 SGD to $28,107 SGD

A
Cheapest Retailer
-
$18,493 SGD
A
Retailer 2
-
$19,088 SGD
View
Final sale: no returns
A
Retailer 3
-
$20,789 SGD
View
Retailer 4
-
$21,247 SGD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$21,336 SGD
View
Retailer 6
-
$21,579 SGD
View
Price last confirmed 35 days ago
A
Retailer 7
-
$21,984 SGD
View
Retailer 8
-
$22,409 SGD
View
Price last confirmed 37 days ago
Retailer 9
-
$25,565 SGD
View
Price last confirmed 36 days ago
B+
Retailer 10
-
$27,279 SGD
View
Most Expensive
B+
MOH London
79E844877 · Nov 4
$28,107 SGD
£17,327 GBP
View
10 more retailers have this diamond
Prices start from $18,493 SGDSave up to $9,615 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
1.50ct Oval
$18,493 SGD