CaratHunter
Plans
Marquise|Natural|GIA

1.51ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 1549750982

Certificate GIA 1549750982

Diamond specifications and retailer prices

From $10,851 SGD
$8,485 USD
As of November 1, 2026
Save $9,043 SGD (45%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $19,895 SGD at NZ Jewellers · As of November 3, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1549750982. Listed at 22 retailers as of November 1, 2026, with prices from $10,851 to $19,895, a $9,043 spread on the same certified stone. NZ Jewellers lists it at $19,895. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.86°
Pavilion angle38.04°
OriginNatural
Grading LabGIA
CertificateGIA 1549750982
Dimensions10.98 × 6.00 × 3.64 mm
L/W Ratio1.83
Girdle conditionExtremely Thick
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
10.98 mm6.00 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1549750982
Side View
Table 63.0%Crown 38.86°Girdle: THK-ETKPavilion 38.04°Culet: NoneDepth 60.6%

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: $19,895 SGD|Low: $10,851 SGD|High: $19,895 SGD|Avg: $14,302 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
November 3, 2026
Retailer 10$10,851 SGD
Retailer 6$11,176 SGD
Retailer 4$11,189 SGD
Retailer 5$11,937 SGD
Retailer 14$11,937 SGD
Retailer 7$12,037 SGD
Retailer 13$12,932 SGD
Retailer 2$13,064 SGD
Retailer 3$13,130 SGD
Retailer 8$13,828 SGD
Retailer 15$14,921 SGD
Retailer 9$15,036 SGD
Retailer 12$17,753 SGD
Retailer 11$18,643 SGD
NZ Jewellers$19,895 SGD

36 data points across 15 retailers

22 retailers$10,851 SGD to $19,895 SGD

B+
Cheapest Retailer
-
$10,851 SGD
$8,485 USD
B+
Retailer 2
-
$11,176 SGD
$8,739 USD
View
B+
Retailer 3
-
$11,189 SGD
$8,749 USD
View
B+
Retailer 4
-
$11,937 SGD
$9,334 USD
View
B+
Retailer 5
-
$11,937 SGD
$9,334 USD
View
Final sale: no returns
B+
Retailer 6
-
$12,037 SGD
$9,412 USD
View
B+
Retailer 7
-
$12,729 SGD
$9,953 USD
View
B+
Retailer 8
-
$12,770 SGD
$9,985 USD
View
B+
Retailer 9
-
$12,932 SGD
$10,112 USD
View
B+
Retailer 10
-
$13,064 SGD
£8,043 GBP
View
B+
Retailer 11
-
$13,130 SGD
$10,267 USD
View
B
Retailer 12
-
$13,518 SGD
$10,570 USD
View
B
Retailer 13
-
$13,518 SGD
$10,570 USD
View
B+
Retailer 14
-
$13,828 SGD
£8,514 GBP
View
B
Retailer 15
-
$13,966 SGD
$10,920 USD
View
B
Retailer 16
-
$14,921 SGD
$11,667 USD
View
Retailer 17
-
$14,921 SGD
$11,667 USD
View
Price last confirmed 12 days ago
B+
Retailer 18
-
$15,036 SGD
€11,197 EUR
View
Retailer 19
-
$15,710 SGD
$12,284 USD
View
Price last confirmed 18 days ago
B
Retailer 20
-
$17,753 SGD
£10,930 GBP
View
B
Retailer 21
-
$18,643 SGD
£11,478 GBP
View
Most Expensive
B
NZ Jewellers
116673ab-6131-4634-8d9b-3ee3961d970b · Nov 3
$19,895 SGD
$15,556 USD
View
21 more retailers have this diamond
Prices start from $10,851 SGDSave up to $9,043 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
$10,851 SGD