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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 $2,998 SGD
£1,846 GBP
As of November 1, 2026
Save $3,701 SGD (55%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,699 SGD 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 $2,998 to $6,699, a $3,701 spread on the same certified stone. NZ Jewellers lists it at $6,699. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $6,699 SGD|Low: $2,997 SGD|High: $6,769 SGD|Avg: $4,084 SGD|-1.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2$2,998 SGD
Retailer 6$3,091 SGD
Retailer 4$3,204 SGD
Retailer 7$3,352 SGD
Retailer 5$3,389 SGD
Retailer 8$3,574 SGD
Retailer 3$5,613 SGD
NZ Jewellers$6,699 SGD

35 data points across 8 retailers

7 retailers$2,998 SGD to $6,699 SGD

A
Cheapest Retailer
-
$2,998 SGD
£1,846 GBP
A
Retailer 2
-
$3,091 SGD
$2,418 USD
View
A
Retailer 3
-
$3,204 SGD
$2,506 USD
View
A
Retailer 4
-
$3,352 SGD
$2,622 USD
View
A
Retailer 5
-
$3,389 SGD
$2,651 USD
View
B
Retailer 6
-
$5,613 SGD
£3,457 GBP
View
Most Expensive
B
NZ Jewellers
fbf756cc-4708-4c55-8faf-e896af92a08c · Oct 30
$6,699 SGD
$5,240 USD
View
6 more retailers have this diamond
Prices start from $2,998 SGDSave up to $3,701 SGD

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
$2,998 SGD