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Oval|Natural|GIA

1.51ct E SI1 Oval Natural Diamond

ID • E/SI1 • GIA 2245022822

Certificate GIA 2245022822

Diamond specifications and retailer prices

From $7,655 SGD
$5,971 USD
As of October 29, 2026
Save $7,875 SGD (51%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $15,530 SGD at NZ Jewellers · As of October 27, 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 E 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 2245022822. Listed at 11 retailers as of October 27, 2026, with prices from $7,655 to $15,530, a $7,875 spread on the same certified stone. NZ Jewellers lists it at $15,530. 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
E
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2245022822
Dimensions9.17 × 6.54 × 3.85 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
9.17 mm6.54 mm1.51 ctE / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2245022822
Side View
Table 56.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.9%

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: $15,530 SGD|Low: $6,272 SGD|High: $15,530 SGD|Avg: $8,986 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 3$6,799 SGD
Retailer 4$6,855 SGD
Retailer 12$7,655 SGD
Retailer 9$7,848 SGD
Retailer 7$8,034 SGD
Retailer 2$8,814 SGD
Retailer 11$8,817 SGD
Retailer 8$8,961 SGD
Retailer 6$9,674 SGD
Retailer 5$13,010 SGD
Retailer 10$13,595 SGD
NZ Jewellers$15,530 SGD

17 data points across 12 retailers

11 retailers$7,655 SGD to $15,530 SGD

A
Retailer 1
-
$6,799 SGD
$5,303 USD
Price last confirmed 14 days ago
A
Retailer 2
-
$7,655 SGD
$5,971 USD
View
A
Retailer 3
-
$7,848 SGD
CA$8,502 CAD
View
A
Retailer 4
-
$8,034 SGD
$6,266 USD
View
A
Retailer 5
-
$8,814 SGD
£5,413 GBP
View
A
Retailer 6
-
$8,817 SGD
$6,877 USD
View
A
Retailer 7
-
$8,961 SGD
$6,989 USD
View
A
Retailer 8
-
$9,674 SGD
€7,186 EUR
View
B
Retailer 9
-
$13,010 SGD
£7,990 GBP
View
B
Retailer 10
-
$13,595 SGD
$10,604 USD
View
Most Expensive
B
NZ Jewellers
f59a4f33-89d6-4c46-ab3b-637280643581 · Oct 27
$15,530 SGD
$12,113 USD
View
10 more retailers have this diamond
Prices start from $7,655 SGDSave up to $7,875 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
$7,655 SGD