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Marquise|Natural|GIA

1.51ct I SI2 Marquise Natural Diamond

GD • I/SI2 • GIA 1246080001

Certificate GIA 1246080001

Diamond specifications and retailer prices

From $8,986 NZD
HK$39,500 HKD
As of October 30, 2026
Save $12,066 NZD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $21,052 NZD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1246080001. Listed at 16 retailers as of October 30, 2026, with prices from $8,986 to $21,052, a $12,066 spread on the same certified stone. NZ Jewellers lists it at $21,052. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
I
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 1246080001
Dimensions11.81 × 6.04 × 3.78 mm
L/W Ratio1.96
Girdle conditionFaceted
Top View
11.81 mm6.04 mm1.51 ctI / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1246080001
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.6%

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: Oct 30
Current: $21,052 NZD|Low: $8,850 NZD|High: $21,217 NZD|Avg: $12,290 NZD|-0.8%
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 6$8,986 NZD
Retailer 14$9,094 NZD
Retailer 16$9,135 NZD
Retailer 3$9,583 NZD
Retailer 15$9,978 NZD
Retailer 9$10,195 NZD
Retailer 5$10,388 NZD
Retailer 8$10,525 NZD
Retailer 4$10,675 NZD
Retailer 7$10,735 NZD
Retailer 2$11,248 NZD
Retailer 10$11,613 NZD
Retailer 11$12,349 NZD
Retailer 13$13,731 NZD
Retailer 17$18,350 NZD
Retailer 12$18,642 NZD
NZ Jewellers$21,052 NZD

29 data points across 17 retailers

16 retailers$8,986 NZD to $21,052 NZD

B+
Cheapest Retailer
-
$8,986 NZD
HK$39,500 HKD
B+
Retailer 2
-
$9,094 NZD
$5,117 USD
View
A
Retailer 3
-
$9,135 NZD
$5,140 USD
View
B+
Retailer 4
-
$9,583 NZD
$5,392 USD
View
B+
Retailer 5
-
$9,978 NZD
$5,614 USD
View
Retailer 6
-
$10,195 NZD
SGD 7,752 SGD
View
Price last confirmed 26 days ago
B+
Retailer 7
-
$10,388 NZD
A$8,992 AUD
View
B+
Retailer 8
-
$10,675 NZD
$6,006 USD
View
B+
Retailer 9
-
$10,735 NZD
$6,040 USD
View
B+
Retailer 10
-
$11,248 NZD
£4,983 GBP
View
B+
Retailer 11
-
$11,613 NZD
$6,534 USD
View
B+
Retailer 12
-
$12,349 NZD
£5,471 GBP
View
B
Retailer 13
-
$13,731 NZD
€7,358 EUR
View
Retailer 14
-
$18,350 NZD
$10,325 USD
View
Price last confirmed 7 days ago
B
Retailer 15
-
$18,642 NZD
£8,259 GBP
View
Most Expensive
B
NZ Jewellers
45ec932c-c21a-4846-992d-3c5cd3648189 · Nov 3
$21,052 NZD
$11,845 USD
View
15 more retailers have this diamond
Prices start from $8,986 NZDSave up to $12,066 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
1.51ct Marquise
$8,986 NZD