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Round|Natural|GIA

1.31ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2564464466

Certificate GIA 2564464466

Diamond specifications and retailer prices

From $2,496 USD
HK$19,500 HKD
As of November 1, 2026
Save $3,029 USD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,525 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.31ct natural round diamond

This 1.31ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2564464466. Listed at 15 retailers as of November 1, 2026, with prices from $2,496 to $5,525, a $3,029 spread on the same certified stone. MOH London lists it at $5,525. 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
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2564464466
Dimensions6.98 × 6.95 × 4.36 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.98 mm6.95 mm1.31 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2564464466
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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: $5,525 USD|Low: $2,496 USD|High: $5,591 USD|Avg: $3,548 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
November 1, 2026
Retailer 8$2,496 USD
Retailer 3$2,497 USD
Retailer 2$2,606 USD
Retailer 9$3,055 USD
Retailer 5$3,178 USD
Retailer 6$3,303 USD
Retailer 11$3,303 USD
Retailer 4$3,529 USD
Retailer 12$3,807 USD
Retailer 10$3,867 USD
Retailer 7$4,060 USD
MOH London$5,525 USD

27 data points across 12 retailers

15 retailers$2,496 USD to $5,525 USD

A
Cheapest Retailer
-
$2,496 USD
HK$19,500 HKD
A
Retailer 2
-
$2,497 USD
SGD 3,374 SGD
View
A
Retailer 3
-
$2,606 USD
₹248,229 INR
View
A
Retailer 4
-
$3,055 USD
View
A
Retailer 5
-
$3,178 USD
£2,503 GBP
View
A
Retailer 6
-
$3,303 USD
View
Retailer 7
-
$3,303 USD
View
Price last confirmed 16 days ago
A
Retailer 8
-
$3,303 USD
View
A
Retailer 9
-
$3,330 USD
View
A
Retailer 10
-
$3,447 USD
View
A
Retailer 11
-
$3,463 USD
SGD 4,680 SGD
View
Retailer 12
-
$3,529 USD
A$5,429 AUD
View
Price last confirmed 24 days ago
B+
Retailer 13
-
$3,867 USD
€3,683 EUR
View
B+
Retailer 14
-
$4,060 USD
ZAR 65,594 ZAR
View
Most Expensive
B
MOH London
E8304DD69 · Nov 1
$5,525 USD
£4,350 GBP
View
14 more retailers have this diamond
Prices start from $2,496 USDSave up to $3,029 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.31ct Round
$2,496 USD