Round|Natural|GIA

1.13ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1488835624

Certificate GIA 1488835624

Diamond specifications and retailer prices

From $2,290 USD
As of October 30, 2026
Save $2,518 USD (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,808 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.13ct natural round diamond

This 1.13ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1488835624. Listed at 12 retailers as of October 29, 2026, with prices from $2,290 to $4,808, a $2,518 spread on the same certified stone. MOH London lists it at $4,808. 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

1.13
Carat
I
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1488835624
Dimensions6.64 × 6.60 × 4.13 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Twinning Wisp, Crystal, Cloud, Feather, Needle
Top View
6.64 mm6.60 mm1.13 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1488835624
Side View
Table 58.0%Crown 36°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.5%

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 30
Current: $4,808 USD|Low: $2,082 USD|High: $4,808 USD|Avg: $2,884 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 8$2,290 USD
Retailer 10$2,295 USD
Retailer 7$2,343 USD
Retailer 2$2,760 USD
Retailer 6$2,938 USD
Retailer 9$2,990 USD
Retailer 11$2,990 USD
Retailer 4$3,069 USD
Retailer 3$3,090 USD
Retailer 5$3,399 USD
MOH London$4,808 USD

22 data points across 11 retailers

12 retailers$2,290 USD to $4,808 USD

A
Cheapest Retailer
-
$2,290 USD
Final sale: no returns
A
Retailer 2
-
$2,295 USD
View
A
Retailer 3
-
$2,343 USD
View
A
Retailer 4
-
$2,429 USD
A$3,736 AUD
View
B+
Retailer 5
-
$2,760 USD
£2,173 GBP
View
B+
Retailer 6
-
$2,938 USD
View
B+
Retailer 7
-
$2,990 USD
View
B+
Retailer 8
-
$2,990 USD
View
B+
Retailer 9
-
$3,069 USD
£2,416 GBP
View
B+
Retailer 10
-
$3,090 USD
View
B+
Retailer 11
-
$3,399 USD
€3,237 EUR
View
Most Expensive
B
MOH London
C27379919 · Oct 29
$4,808 USD
£3,786 GBP
View
11 more retailers have this diamond
Prices start from $2,290 USDSave up to $2,518 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
1.13ct Round
$2,290 USD