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Round|Natural|GIA

1.15ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 2557163437

Certificate GIA 2557163437

Diamond specifications and retailer prices

From $2,345 USD
£1,846 GBP
As of November 1, 2026
Save $2,895 USD (55%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,240 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.15ct natural round diamond

This 1.15ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557163437. Listed at 7 retailers as of October 30, 2026, with prices from $2,345 to $5,240, a $2,895 spread on the same certified stone. NZ Jewellers lists it at $5,240. 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

1.15
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2557163437
Dimensions6.65 × 6.69 × 4.19 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.65 mm6.69 mm1.15 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557163437
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.8%

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: Nov 1
Current: $5,240 USD|Low: $2,344 USD|High: $5,295 USD|Avg: $3,195 USD|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2$2,345 USD
Retailer 6$2,418 USD
Retailer 4$2,506 USD
Retailer 7$2,622 USD
Retailer 5$2,651 USD
Retailer 8$2,796 USD
Retailer 3$4,390 USD
NZ Jewellers$5,240 USD

35 data points across 8 retailers

7 retailers$2,345 USD to $5,240 USD

A
Cheapest Retailer
-
$2,345 USD
£1,846 GBP
A
Retailer 2
-
$2,418 USD
View
A
Retailer 3
-
$2,506 USD
View
A
Retailer 4
-
$2,622 USD
View
A
Retailer 5
-
$2,651 USD
View
B
Retailer 6
-
$4,390 USD
£3,457 GBP
View
Most Expensive
B
NZ Jewellers
fbf756cc-4708-4c55-8faf-e896af92a08c · Oct 30
$5,240 USD
View
6 more retailers have this diamond
Prices start from $2,345 USDSave up to $2,895 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
1.15ct Round
$2,345 USD