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Marquise|Natural|GIA

1.51ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6561292606

Certificate GIA 6561292606

Diamond specifications and retailer prices

From $10,066 SGD
₹749,572 INR
As of November 2, 2026
Save $8,413 SGD (46%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $18,479 SGD 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 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 6561292606. Listed at 22 retailers as of October 30, 2026, with prices from $10,066 to $18,479, a $8,413 spread on the same certified stone. NZ Jewellers lists it at $18,479. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6561292606
Dimensions11.40 × 5.99 × 3.60 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity
Top View
11.40 mm5.99 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6561292606
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 60.0%

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 2
Current: $18,479 SGD|Low: $10,045 SGD|High: $18,479 SGD|Avg: $13,173 SGD
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 2, 2026
Retailer 2$10,066 SGD
Retailer 4$11,235 SGD
Retailer 12$12,021 SGD
Retailer 8$12,118 SGD
Retailer 17$12,178 SGD
Retailer 15$12,238 SGD
Retailer 16$12,239 SGD
Retailer 10$12,492 SGD
Retailer 6$12,776 SGD
Retailer 5$13,258 SGD
Retailer 3$13,463 SGD
Retailer 9$13,590 SGD
Retailer 11$13,967 SGD
Retailer 7$15,298 SGD
Retailer 14$16,289 SGD
Retailer 13$17,316 SGD
NZ Jewellers$18,479 SGD

26 data points across 17 retailers

22 retailers$10,066 SGD to $18,479 SGD

A
Cheapest Retailer
-
$10,066 SGD
₹749,572 INR
A
Retailer 2
-
$10,207 SGD
$7,981 USD
View
A
Retailer 3
-
$10,368 SGD
A$12,472 AUD
View
B+
Retailer 4
-
$11,235 SGD
$8,785 USD
View
B+
Retailer 5
-
$11,355 SGD
$8,879 USD
View
B+
Retailer 6
-
$11,687 SGD
$9,138 USD
View
B+
Retailer 7
-
$12,021 SGD
£7,401 GBP
View
B+
Retailer 8
-
$12,118 SGD
$9,475 USD
View
Retailer 9
-
$12,178 SGD
A$14,650 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$12,238 SGD
$9,569 USD
View
Final sale: no returns
B+
Retailer 11
-
$12,239 SGD
$9,570 USD
View
B+
Retailer 12
-
$12,492 SGD
£7,691 GBP
View
B+
Retailer 13
-
$12,776 SGD
$9,990 USD
View
B+
Retailer 14
-
$13,242 SGD
$10,354 USD
View
B+
Retailer 15
-
$13,258 SGD
$10,367 USD
View
B+
Retailer 16
-
$13,463 SGD
$10,527 USD
View
B
Retailer 17
-
$13,590 SGD
$10,626 USD
View
B+
Retailer 18
-
$13,967 SGD
€10,401 EUR
View
B
Retailer 19
-
$15,298 SGD
$11,962 USD
View
B
Retailer 20
-
$16,289 SGD
ZAR 205,758 ZAR
View
B
Retailer 21
-
$17,316 SGD
£10,661 GBP
View
Most Expensive
B
NZ Jewellers
41d27a8a-ad8c-4bdf-a0bc-d2fa15a3f87a · Oct 30
$18,479 SGD
$14,449 USD
View
21 more retailers have this diamond
Prices start from $10,066 SGDSave up to $8,413 SGD

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
$10,066 SGD