Oval|Natural|GIA

1.51ct F I1 Oval Natural Diamond

EX • F/I1 • GIA 1553949091

Certificate GIA 1553949091

Diamond specifications and retailer prices

From $6,359 SGD
$4,972 USD
As of November 1, 2026
Save $6,973 SGD (52%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $13,331 SGD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553949091. Listed at 8 retailers as of November 1, 2026, with prices from $6,359 to $13,331, a $6,973 spread on the same certified stone. NZ Jewellers lists it at $13,331. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
I1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.87°
OriginNatural
Grading LabGIA
CertificateGIA 1553949091
Dimensions9.22 × 6.27 × 4.00 mm
L/W Ratio1.47
Culet sizeNone
Key to symbols
Feather, Crystal, Cloud, Cavity, Needle
Top View
9.22 mm6.27 mm1.51 ctF / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553949091
Side View
Table 55.0%Crown 35.87°Girdle: STK-VTHPavilionCulet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $13,331 SGD|Low: $6,048 SGD|High: $13,356 SGD|Avg: $8,223 SGD|+5.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3$6,359 SGD
Retailer 7$7,221 SGD
Retailer 8$7,221 SGD
Retailer 5$7,291 SGD
Retailer 4$7,336 SGD
Retailer 6$8,332 SGD
Retailer 9$8,743 SGD
Retailer 2$8,792 SGD
NZ Jewellers$13,331 SGD

23 data points across 9 retailers

8 retailers$6,359 SGD to $13,331 SGD

A
Cheapest Retailer
-
$6,359 SGD
$4,972 USD
B+
Retailer 2
-
$7,221 SGD
$5,646 USD
View
B+
Retailer 3
-
$7,221 SGD
$5,646 USD
View
B+
Retailer 4
-
$7,291 SGD
$5,701 USD
View
B+
Retailer 5
-
$7,336 SGD
$5,736 USD
View
B+
Retailer 6
-
$8,332 SGD
$6,515 USD
View
B
Retailer 7
-
$8,792 SGD
€6,547 EUR
View
Most Expensive
C
NZ Jewellers
18c8ebaa-0cb7-47d8-979b-d9c6601701bc · Nov 2
$13,331 SGD
$10,424 USD
View
7 more retailers have this diamond
Prices start from $6,359 SGDSave up to $6,973 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
$6,359 SGD