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Oval|Natural|GIA

1.51ct I SI1 Oval Natural Diamond

EX • I/SI1 • GIA 7541897480

Certificate GIA 7541897480

Diamond specifications and retailer prices

From $7,699 SGD
$6,020 USD
As of November 1, 2026
Save $5,881 SGD (43%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $13,580 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7541897480. Listed at 20 retailers as of November 1, 2026, with prices from $7,699 to $13,580, a $5,881 spread on the same certified stone. MOH London lists it at $13,580. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.48°
Pavilion angle39.93°
OriginNatural
Grading LabGIA
CertificateGIA 7541897480
Dimensions8.94 × 6.30 × 4.01 mm
L/W Ratio1.42
Girdle conditionVery Thick
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural
Top View
8.94 mm6.30 mm1.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7541897480
Side View
Table 57.0%Crown 39.48°Girdle: MediumPavilion 39.93°Culet: NoneDepth 63.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $13,580 SGD|Low: $7,025 SGD|High: $13,653 SGD|Avg: $8,883 SGD|+15.2%
MOH London
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
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 8$7,025 SGD
Retailer 15$7,699 SGD
Retailer 4$8,179 SGD
Retailer 5$8,217 SGD
Retailer 16$8,667 SGD
Retailer 13$8,682 SGD
Retailer 9$8,906 SGD
Retailer 7$8,941 SGD
Retailer 12$9,188 SGD
Retailer 10$9,246 SGD
Retailer 3$9,395 SGD
Retailer 6$9,921 SGD
Retailer 17$9,973 SGD
Retailer 2$10,186 SGD
Retailer 11$10,646 SGD
Retailer 14$11,973 SGD
MOH London$13,580 SGD

25 data points across 17 retailers

20 retailers$7,699 SGD to $13,580 SGD

B+
Cheapest Retailer
-
$7,699 SGD
$6,020 USD
Retailer 2
-
$7,991 SGD
$6,248 USD
View
Price last confirmed 41 days ago
Retailer 3
-
$7,991 SGD
$6,248 USD
View
Price last confirmed 26 days ago
Retailer 4
-
$7,991 SGD
$6,248 USD
View
Price last confirmed 34 days ago
B+
Retailer 5
-
$8,179 SGD
$6,395 USD
View
B+
Retailer 6
-
$8,217 SGD
$6,425 USD
View
B+
Retailer 7
-
$8,667 SGD
CA$9,412 CAD
View
B+
Retailer 8
-
$8,682 SGD
$6,789 USD
View
B+
Retailer 9
-
$8,941 SGD
$6,991 USD
View
B
Retailer 10
-
$9,188 SGD
£5,657 GBP
View
B
Retailer 11
-
$9,246 SGD
£5,693 GBP
View
Retailer 12
-
$9,395 SGD
A$11,302 AUD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$9,921 SGD
$7,758 USD
View
B
Retailer 14
-
$9,973 SGD
$7,798 USD
View
B
Retailer 15
-
$10,186 SGD
$7,965 USD
View
B
Retailer 16
-
$10,646 SGD
€7,928 EUR
View
B
Retailer 17
-
$11,973 SGD
ZAR 151,241 ZAR
View
Retailer 18
-
$13,365 SGD
$10,450 USD
View
Price last confirmed 43 days ago
Retailer 19
-
$13,365 SGD
$10,450 USD
View
Price last confirmed 27 days ago
Most Expensive
B
MOH London
D841CE379 · Nov 2
$13,580 SGD
£8,361 GBP
View
19 more retailers have this diamond
Prices start from $7,699 SGDSave up to $5,881 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.

B+
1.51ct Oval
$7,699 SGD