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Round|Natural|GIA

1.02ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6551890869

Certificate GIA 6551890869

Diamond specifications and retailer prices

From $2,227 USD
As of November 4, 2026
Save $3,964 USD (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,191 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551890869. Listed at 19 retailers as of November 4, 2026, with prices from $2,227 to $6,191, a $3,964 spread on the same certified stone. NZ Jewellers lists it at $6,191. 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

1.02
Carat
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6551890869
Dimensions6.40 × 6.43 × 4.02 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Indented Natural
Top View
6.40 mm6.43 mm1.02 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6551890869
Side View
Table 57.0%Crown 36.5°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 4
Current: $6,191 USD|Low: $2,227 USD|High: $6,191 USD|Avg: $3,423 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 15$2,227 USD
Retailer 11$2,326 USD
Retailer 12$2,600 USD
Retailer 14$2,685 USD
Retailer 2$2,833 USD
Retailer 3$2,961 USD
Retailer 5$2,961 USD
Retailer 4$3,075 USD
Retailer 8$3,099 USD
Retailer 9$3,116 USD
Retailer 6$3,408 USD
Retailer 7$3,417 USD
Retailer 10$3,439 USD
Retailer 13$4,939 USD
NZ Jewellers$6,191 USD

24 data points across 15 retailers

19 retailers$2,227 USD to $6,191 USD

A
Cheapest Retailer
-
$2,227 USD
A
Retailer 2
-
$2,326 USD
View
A
Retailer 3
-
$2,600 USD
View
A
Retailer 4
-
$2,685 USD
View
A
Retailer 5
-
$2,719 USD
View
A
Retailer 6
-
$2,732 USD
View
Final sale: no returns
A
Retailer 7
-
$2,760 USD
View
A
Retailer 8
-
$2,833 USD
View
A
Retailer 9
-
$2,936 USD
View
A
Retailer 10
-
$2,961 USD
View
Retailer 11
-
$2,961 USD
View
Price last confirmed 8 days ago
A
Retailer 12
-
$3,010 USD
View
B+
Retailer 13
-
$3,075 USD
View
B+
Retailer 14
-
$3,099 USD
View
A
Retailer 15
-
$3,116 USD
View
B+
Retailer 16
-
$3,417 USD
View
B+
Retailer 17
-
$3,439 USD
View
B
Retailer 18
-
$4,939 USD
View
Most Expensive
B
NZ Jewellers
3e5d6118-cc3a-477f-a821-da6baab11521 · Nov 5
$6,191 USD
View
18 more retailers have this diamond
Prices start from $2,227 USDSave up to $3,964 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
1.02ct Round
$2,227 USD