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Marquise|Natural|GIA

1.02ct G SI1 Marquise Natural Diamond

ID • G/SI1 • GIA 2557562150

Certificate GIA 2557562150

Diamond specifications and retailer prices

From $5,275 NZD
As of November 4, 2026
Save $6,644 NZD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,920 NZD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557562150. Listed at 16 retailers as of November 3, 2026, with prices from $5,275 to $11,920, a $6,644 spread on the same certified stone. NZ Jewellers lists it at $11,920. 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
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557562150
Dimensions10.16 × 5.20 × 3.29 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
10.16 mm5.20 mm1.02 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557562150
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.4%

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: $11,920 NZD|Low: $5,169 NZD|High: $11,920 NZD|Avg: $7,297 NZD|+1.0%
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
Retailer 16
Retailer 17
November 3, 2026
Retailer 17$5,169 NZD
Retailer 6$5,275 NZD
Retailer 16$5,414 NZD
Retailer 12$6,198 NZD
Retailer 8$6,250 NZD
Retailer 5$6,259 NZD
Retailer 7$6,383 NZD
Retailer 10$6,436 NZD
Retailer 11$6,673 NZD
Retailer 4$6,698 NZD
Retailer 9$6,925 NZD
Retailer 15$7,153 NZD
Retailer 3$7,813 NZD
Retailer 2$7,976 NZD
Retailer 14$8,410 NZD
Retailer 13$11,441 NZD
NZ Jewellers$11,920 NZD

41 data points across 17 retailers

16 retailers$5,275 NZD to $11,920 NZD

Retailer 1
-
$5,169 NZD
Price last confirmed 9 days ago
A
Retailer 2
-
$5,275 NZD
View
Retailer 3
-
$5,414 NZD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
$6,198 NZD
View
Retailer 5
-
$6,259 NZD
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$6,383 NZD
View
B+
Retailer 7
-
$6,436 NZD
View
B+
Retailer 8
-
$6,673 NZD
View
Retailer 9
-
$6,698 NZD
View
Price last confirmed 18 days ago
Retailer 10
-
$7,084 NZD
View
Price last confirmed 36 days ago
B+
Retailer 11
-
$7,153 NZD
View
Retailer 12
-
$7,813 NZD
View
Price last confirmed 14 days ago
B+
Retailer 13
-
$7,976 NZD
View
B
Retailer 14
-
$8,410 NZD
View
B
Retailer 15
-
$11,441 NZD
View
Most Expensive
B
NZ Jewellers
bfacd1fe-86c4-4c8b-9cfb-6b33e6f44aef · Nov 3
$11,920 NZD
$6,704 USD
View
15 more retailers have this diamond
Prices start from $5,275 NZDSave up to $6,644 NZD

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 Marquise
$5,275 NZD