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Marquise|Natural|GIA

1.51ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 6545340711

Certificate GIA 6545340711

Diamond specifications and retailer prices

From $14,977 NZD
$8,441 USD
As of October 31, 2026
Save $13,318 NZD (47%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $28,295 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545340711. Listed at 18 retailers as of October 30, 2026, with prices from $14,977 to $28,295, a $13,318 spread on the same certified stone. NZ Jewellers lists it at $28,295. 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

1.51
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545340711
Dimensions11.06 × 5.88 × 3.92 mm
L/W Ratio1.88
Top View
11.06 mm5.88 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545340711
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 66.6%

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 31
Current: $28,295 NZD|Low: $14,792 NZD|High: $28,295 NZD|Avg: $19,410 NZD
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 1, 2026
Retailer 3$14,977 NZD
Retailer 4$16,163 NZD
Retailer 11$16,977 NZD
Retailer 15$16,977 NZD
Retailer 5$17,121 NZD
Retailer 12$17,275 NZD
Retailer 7$18,105 NZD
Retailer 10$18,392 NZD
Retailer 2$18,586 NZD
Retailer 14$18,675 NZD
Retailer 13$21,221 NZD
Retailer 8$21,391 NZD
Retailer 6$22,342 NZD
Retailer 9$26,657 NZD
NZ Jewellers$28,295 NZD

40 data points across 15 retailers

18 retailers$14,977 NZD to $28,295 NZD

A
Cheapest Retailer
-
$14,977 NZD
$8,441 USD
A
Retailer 2
-
$15,708 NZD
$8,853 USD
View
A
Retailer 3
-
$15,752 NZD
$8,878 USD
View
A
Retailer 4
-
$15,912 NZD
A$13,797 AUD
View
A
Retailer 5
-
$16,163 NZD
$9,110 USD
View
B+
Retailer 6
-
$16,977 NZD
$9,568 USD
View
Final sale: no returns
A
Retailer 7
-
$16,977 NZD
$9,568 USD
View
B+
Retailer 8
-
$17,275 NZD
$9,736 USD
View
B+
Retailer 9
-
$18,105 NZD
$10,204 USD
View
B+
Retailer 10
-
$18,392 NZD
$10,366 USD
View
B+
Retailer 11
-
$18,586 NZD
£8,248 GBP
View
B+
Retailer 12
-
$18,675 NZD
$10,525 USD
View
B+
Retailer 13
-
$21,221 NZD
$11,960 USD
View
Retailer 14
-
$21,221 NZD
$11,960 USD
View
Price last confirmed 23 days ago
B+
Retailer 15
-
$21,391 NZD
€11,482 EUR
View
Retailer 16
-
$22,342 NZD
$12,592 USD
View
Price last confirmed 17 days ago
B
Retailer 17
-
$26,657 NZD
£11,830 GBP
View
Most Expensive
B
NZ Jewellers
b2489fcf-b846-4fc4-a115-469532cfdb69 · Oct 30
$28,295 NZD
$15,947 USD
View
17 more retailers have this diamond
Prices start from $14,977 NZDSave up to $13,318 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
$14,977 NZD