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Oval|Natural|GIA

1.51ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 6542815281

Certificate GIA 6542815281

Diamond specifications and retailer prices

From $3,628 USD
Save $5,566 USD (61%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,194 USD at MOH London
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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542815281. Listed at 15 retailers, with prices from $3,628 to $9,194 at MOH London, a $5,566 spread on the same certified stone. 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
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542815281
Dimensions8.99 × 6.41 × 3.93 mm
L/W Ratio1.40
Top View
8.99 mm6.41 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542815281
Side View
Table 56.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 61.3%

Caratlytics Score

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

Price History

Last verified: Sep 30
Current: $9,194 USD|Low: $3,542 USD|High: $9,194 USD|Avg: $4,714 USD|+22.7%
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
October 1, 2026
Retailer 5$3,597 USD
Retailer 10$3,628 USD
Retailer 11$3,844 USD
Retailer 7$4,616 USD
Retailer 6$4,700 USD
Retailer 3$4,951 USD
Retailer 15$5,346 USD
Retailer 9$5,626 USD
Retailer 8$6,030 USD
Retailer 13$6,257 USD
Retailer 14$6,318 USD
Retailer 12$6,476 USD
Retailer 2$6,774 USD
Retailer 4$8,188 USD
MOH London$9,194 USD

39 data points across 15 retailers

15 retailers$3,628 USD to $9,194 USD

A
Retailer 1
-
$3,597 USD
HK$28,100 HKD
Price last confirmed 12 days ago
A
Retailer 2
-
$3,628 USD
View
A
Retailer 3
-
$3,844 USD
₹366,057 INR
View
A
Retailer 4
-
$4,616 USD
SGD 6,238 SGD
View
A
Retailer 5
-
$4,700 USD
View
A
Retailer 6
-
$4,951 USD
View
B+
Retailer 7
-
$5,346 USD
View
B+
Retailer 8
-
$5,626 USD
View
B+
Retailer 9
-
$6,030 USD
£4,748 GBP
View
B+
Retailer 10
-
$6,252 USD
£4,923 GBP
View
B+
Retailer 11
-
$6,318 USD
View
B+
Retailer 12
-
$6,476 USD
View
B+
Retailer 13
-
$6,774 USD
€6,451 EUR
View
B
Retailer 14
-
$8,188 USD
View
Most Expensive
B
MOH London
3AB2487AF · Oct 1
$9,194 USD
£7,239 GBP
View
14 more retailers have this diamond
Prices start from $3,628 USDSave up to $5,566 USD

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.

A
1.51ct Oval
$3,628 USD