Oval|Natural|GIA

1.31ct H SI1 Oval Natural Diamond

ID • H/SI1 • GIA 1555442540

Certificate GIA 1555442540

Diamond specifications and retailer prices

From $3,998 USD
Save $4,538 USD (53%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,536 USD at MOH London
View at MOH London

About this 1.31ct natural oval diamond

This 1.31ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded H 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 1555442540. Listed at 16 retailers, with prices from $3,998 to $8,536 at MOH London, a $4,538 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

1.31
Carat
H
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555442540
Dimensions8.56 × 6.11 × 3.88 mm
L/W Ratio1.40
Girdle conditionFaceted
Top View
8.56 mm6.11 mm1.31 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555442540
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.4%

Caratlytics Score

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

Price History

Last verified: Sep 25
Current: $8,536 USD|Low: $3,775 USD|High: $8,536 USD|Avg: $4,792 USD|+0.9%
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
Retailer 18
Retailer 19
September 26, 2026
Retailer 9$3,775 USD
Retailer 4$3,853 USD
Retailer 17$3,904 USD
Retailer 12$3,998 USD
Retailer 3$4,101 USD
Retailer 15$4,253 USD
Retailer 19$4,254 USD
Retailer 18$4,437 USD
Retailer 6$4,530 USD
Retailer 11$4,674 USD
Retailer 5$4,750 USD
Retailer 10$5,102 USD
Retailer 2$5,263 USD
Retailer 16$5,266 USD
Retailer 14$5,883 USD
Retailer 13$6,378 USD
Retailer 7$6,580 USD
Retailer 8$7,807 USD
MOH London$8,536 USD

36 data points across 19 retailers

16 retailers$3,998 USD to $8,536 USD

A
Retailer 1
-
$3,775 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$3,853 USD
HK$30,100 HKD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$3,998 USD
View
B+
Retailer 4
-
$4,101 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
$4,253 USD
€4,050 EUR
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$4,254 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$4,437 USD
View
Price last confirmed 14 days ago
B+
Retailer 8
-
$4,530 USD
View
B+
Retailer 9
-
$4,750 USD
View
Price last confirmed 8 days ago
B
Retailer 10
-
$5,263 USD
£4,144 GBP
View
B
Retailer 11
-
$5,266 USD
A$8,102 AUD
View
Price last confirmed 7 days ago
B
Retailer 12
-
$5,883 USD
€5,603 EUR
View
B
Retailer 13
-
$6,378 USD
ZAR 103,045 ZAR
View
B
Retailer 14
-
$6,580 USD
View
B
Retailer 15
-
$7,807 USD
View
Most Expensive
B
MOH London
7BBCD2CBD · Sep 24
$8,536 USD
£6,721 GBP
View
15 more retailers have this diamond
Prices start from $3,998 USDSave up to $4,538 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
1.31ct Oval
$3,998 USD