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Marquise|Natural|GIA

1.51ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2544827819

Certificate GIA 2544827819

Diamond specifications and retailer prices

From $12,801 SGD
$10,009 USD
As of November 1, 2026
Save $10,194 SGD (44%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $22,995 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 2544827819. Listed at 20 retailers as of October 30, 2026, with prices from $12,801 to $22,995, a $10,194 spread on the same certified stone. NZ Jewellers lists it at $22,995. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2544827819
Dimensions11.54 × 6.17 × 3.72 mm
L/W Ratio1.87
Top View
11.54 mm6.17 mm1.51 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2544827819
Side View
Table 62.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 60.3%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $15,545 SGD|Low: $14,789 SGD|High: $21,807 SGD|Avg: $17,052 SGD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 3$14,913 SGD
Retailer 6$14,994 SGD
Retailer 7$15,177 SGD
Retailer 1$15,545 SGD
Retailer 2$16,606 SGD
Retailer 5$20,269 SGD
Retailer 4$21,547 SGD

36 data points across 7 retailers

20 retailers$12,801 SGD to $22,995 SGD

B+
Cheapest Retailer
-
$12,801 SGD
$10,009 USD
B+
Retailer 2
-
$12,876 SGD
$10,068 USD
View
B+
Retailer 3
-
$13,620 SGD
$10,650 USD
View
B+
Retailer 4
-
$13,797 SGD
$10,788 USD
View
B+
Retailer 5
-
$13,912 SGD
$10,878 USD
View
B+
Retailer 6
-
$14,913 SGD
£9,182 GBP
View
B+
Retailer 7
-
$14,947 SGD
$11,687 USD
View
Retailer 8
-
$14,994 SGD
A$18,037 AUD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$15,177 SGD
$11,867 USD
View
B+
Retailer 10
-
$15,293 SGD
$11,958 USD
View
B+
Retailer 11
-
$15,545 SGD
£9,571 GBP
View
B
Retailer 12
-
$16,101 SGD
$12,590 USD
View
B
Retailer 13
-
$16,101 SGD
$12,590 USD
View
B
Retailer 14
-
$16,606 SGD
€12,366 EUR
View
B
Retailer 15
-
$16,638 SGD
$13,010 USD
View
B
Retailer 16
-
$17,246 SGD
$13,485 USD
View
Retailer 17
-
$18,150 SGD
$14,192 USD
View
Price last confirmed 10 days ago
B
Retailer 18
-
$20,269 SGD
ZAR 256,042 ZAR
View
B
Retailer 19
-
$21,547 SGD
£13,266 GBP
View
Most Expensive
B
NZ Jewellers
cddb2d76-c4a3-4bb6-8b7a-65550c87b1c7 · Oct 30
$22,995 SGD
$17,980 USD
View
19 more retailers have this diamond
Prices start from $12,801 SGDSave up to $10,194 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
$12,801 SGD