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Marquise|Natural|GIA

1.20ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6561258837

Certificate GIA 6561258837

Diamond specifications and retailer prices

From $10,095 NZD
As of November 5, 2026
Save $8,774 NZD (47%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $19,130 NZD at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6561258837. Listed at 21 retailers as of November 4, 2026, with a 87% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.20
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6561258837
Dimensions10.60 × 5.52 × 3.42 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Cloud, Needle, Indented Natural, Natural
Top View
10.60 mm5.52 mm1.20 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561258837
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $12,460 NZD|Low: $8,496 NZD|High: $18,869 NZD|Avg: $11,654 NZD|+10.4%
Retailer 1
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
November 6, 2026
Retailer 7$8,496 NZD
Retailer 8$9,784 NZD
Retailer 4$10,012 NZD
Retailer 11$10,095 NZD
Retailer 16$10,914 NZD
Retailer 12$11,200 NZD
Retailer 6$11,274 NZD
Retailer 5$11,305 NZD
Retailer 9$11,457 NZD
Retailer 15$11,853 NZD
Retailer 13$11,888 NZD
Retailer 2$12,409 NZD
Retailer 1$12,460 NZD
Retailer 3$15,566 NZD
Retailer 10$15,670 NZD
Retailer 14$18,869 NZD

34 data points across 16 retailers

21 retailers$10,095 NZD to $18,869 NZD

Retailer 1
-
$8,496 NZD
Price last confirmed 11 days ago
Retailer 2
-
$9,442 NZD
View
Price last confirmed 15 days ago
Retailer 3
-
$9,784 NZD
View
Price last confirmed 14 days ago
Retailer 4
-
$10,012 NZD
View
Price last confirmed 16 days ago
B+
Retailer 5
-
$10,095 NZD
View
Retailer 6
-
$10,914 NZD
View
Price last confirmed 13 days ago
B
Retailer 7
-
$11,200 NZD
View
Retailer 8
-
$11,274 NZD
View
Price last confirmed 14 days ago
Retailer 9
-
$11,305 NZD
View
Price last confirmed 27 days ago
Retailer 10
-
$11,437 NZD
View
Price last confirmed 21 days ago
Retailer 11
-
$11,437 NZD
View
Price last confirmed 20 days ago
Retailer 12
-
$11,437 NZD
View
Price last confirmed 19 days ago
B
Retailer 13
-
$11,457 NZD
View
B
Retailer 14
-
$11,853 NZD
View
Final sale: no returns
B
Retailer 15
-
$11,888 NZD
View
B
Retailer 16
-
$12,460 NZD
View
Retailer 17
-
$13,197 NZD
View
Price last confirmed 18 days ago
Retailer 18
-
$15,566 NZD
View
Price last confirmed 14 days ago
B
Retailer 19
-
$15,670 NZD
View
B
Retailer 20
-
$18,869 NZD
View
Most Expensive
NZ Jewellers
b58c3e6e-0cfd-4753-84d8-470d4dc6847e · Oct 17
$19,130 NZD
$10,605 USD
View
Price last confirmed 19 days ago
20 more retailers have this diamond
Prices start from $10,095 NZDSave up to $8,774 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.

B+
1.20ct Marquise
$10,095 NZD