CaratHunter
Plans
Marquise|Natural|GIA

1.51ct H SI2 Marquise Natural Diamond

GD • H/SI2 • GIA 7556370906

Certificate GIA 7556370906

Diamond specifications and retailer prices

From $15,566 NZD
$8,758 USD
As of November 1, 2026
Save $12,143 NZD (44%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $27,708 NZD at NZ Jewellers · As of October 30, 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 H 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 7556370906. Listed at 12 retailers as of October 30, 2026, with prices from $15,566 to $27,708, a $12,143 spread on the same certified stone. NZ Jewellers lists it at $27,708. 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
H
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7556370906
Dimensions10.92 × 5.90 × 3.86 mm
L/W Ratio1.85
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Cloud, Feather
Top View
10.92 mm5.90 mm1.51 ctH / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556370906
Side View
Table 57.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 65.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $20,944 NZD|Low: $15,365 NZD|High: $26,278 NZD|Avg: $19,922 NZD|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 5$15,365 NZD
Retailer 8$15,566 NZD
Retailer 7$16,763 NZD
Retailer 2$18,044 NZD
Retailer 9$20,855 NZD
Retailer 1$20,944 NZD
Retailer 4$21,879 NZD
Retailer 6$23,700 NZD
Retailer 3$25,964 NZD

42 data points across 9 retailers

12 retailers$15,566 NZD to $27,708 NZD

B
Cheapest Retailer
-
$15,566 NZD
$8,758 USD
B
Retailer 2
-
$16,625 NZD
$9,354 USD
View
B
Retailer 3
-
$16,763 NZD
$9,432 USD
View
B
Retailer 4
-
$18,011 NZD
$10,134 USD
View
B
Retailer 5
-
$18,044 NZD
£7,994 GBP
View
B
Retailer 6
-
$18,288 NZD
$10,290 USD
View
B
Retailer 7
-
$19,691 NZD
$11,079 USD
View
B
Retailer 8
-
$20,782 NZD
$11,693 USD
View
B
Retailer 9
-
$20,855 NZD
$11,734 USD
View
B
Retailer 10
-
$20,944 NZD
€11,223 EUR
View
B
Retailer 11
-
$25,964 NZD
£11,503 GBP
View
Most Expensive
C
NZ Jewellers
105d20ca-77aa-4802-8629-5635102c1804 · Oct 30
$27,708 NZD
$15,590 USD
View
11 more retailers have this diamond
Prices start from $15,566 NZDSave up to $12,143 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
1.51ct Marquise
$15,566 NZD