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Marquise|Natural|GIA

1.51ct I VS1 Marquise Natural Diamond

EX • I/VS1 • GIA 1533901491

Certificate GIA 1533901491

Diamond specifications and retailer prices

From $13,575 SGD
As of November 5, 2026
Save $3,138 SGD (19%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $16,713 SGD at 77 Diamonds · As of November 7, 2026
View at 77 Diamonds

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 VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1533901491. Listed at 2 retailers as of November 5, 2026, with prices from $13,575 to $16,713, a $3,138 spread on the same certified stone. 77 Diamonds lists it at $16,713. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36.14°
Pavilion angle39.69°
OriginNatural
Grading LabGIA
CertificateGIA 1533901491
Dimensions12.55 × 5.86 × 3.52 mm
L/W Ratio2.14
Culet sizeNone
Top View
12.55 mm5.86 mm1.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1533901491
Side View
Table 60.0%Crown 36.14°Girdle: MED-THKPavilion 39.69°Culet: NoneDepth 60.2%

Caratlytics Score

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

Price History

Last verified: Nov 5
Current: $16,713 SGD|Low: $13,575 SGD|High: $16,879 SGD|Avg: $15,069 SGD|+3.1%
77 Diamonds
Retailer 2
November 7, 2026
Retailer 2$13,575 SGD
77 Diamonds$16,713 SGD

38 data points across 2 retailers

2 retailers$13,575 SGD to $16,713 SGD

B+
Cheapest Retailer
-
$13,575 SGD
Most Expensive
B
77 Diamonds
MQMB2AYRMBGY · Nov 7
$16,713 SGD
£10,268 GBP
View
1 more retailer has this diamond
Prices start from $13,575 SGDSave up to $3,138 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.

B+
1.51ct Marquise
$13,575 SGD