Round|Natural|GIA

1.13ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6555970685

Certificate GIA 6555970685

Diamond specifications and retailer prices

From $1,740 USD
SGD 2,351 SGD
As of October 29, 2026
Save $1,647 USD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,386 USD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 6555970685. Listed at 12 retailers as of October 26, 2026, with prices from $1,740 to $3,386, a $1,647 spread on the same certified stone. Wholesale Diamonds Direct lists it at $3,386. 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 angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6555970685
Dimensions6.65 × 6.70 × 4.15 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.65 mm6.70 mm1.13 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555970685
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.2%

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: Oct 29
Current: $2,604 USD|Low: $1,740 USD|High: $3,607 USD|Avg: $2,524 USD|-5.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
October 30, 2026
Retailer 10$1,740 USD
Retailer 8$2,024 USD
Retailer 7$2,045 USD
Retailer 6$2,063 USD
Retailer 3$2,246 USD
Retailer 4$2,262 USD
Retailer 11$2,448 USD
Retailer 2$2,601 USD
Retailer 1$2,604 USD
Retailer 5$2,919 USD
Retailer 9$3,144 USD
Wholesale Diamonds Direct$3,386 USD

38 data points across 12 retailers

12 retailers$1,740 USD to $3,386 USD

A
Cheapest Retailer
-
$1,740 USD
SGD 2,351 SGD
A
Retailer 2
-
$2,024 USD
View
A
Retailer 3
-
$2,045 USD
View
A
Retailer 4
-
$2,063 USD
View
A
Retailer 5
-
$2,246 USD
SGD 3,035 SGD
View
A
Retailer 6
-
$2,262 USD
£1,781 GBP
View
A
Retailer 7
-
$2,448 USD
View
A
Retailer 8
-
$2,601 USD
View
A
Retailer 9
-
$2,604 USD
£2,050 GBP
View
B+
Retailer 10
-
$2,919 USD
€2,780 EUR
View
B+
Retailer 11
-
$3,144 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
545945732 · Oct 26
$3,386 USD
View
11 more retailers have this diamond
Prices start from $1,740 USDSave up to $1,647 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
$1,740 USD