Marquise|Natural|GIA

1.20ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 1553278138

Certificate GIA 1553278138

Diamond specifications and retailer prices

From $4,243 USD
As of November 5, 2026
Save $4,738 USD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,981 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded H 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 1553278138. Listed at 17 retailers as of November 5, 2026, with prices from $4,243 to $8,981, a $4,738 spread on the same certified stone. NZ Jewellers lists it at $8,981. 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

1.20
Carat
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553278138
Dimensions10.90 × 5.60 × 3.49 mm
L/W Ratio1.95
Top View
10.90 mm5.60 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553278138
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.3%

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: $8,981 USD|Low: $4,243 USD|High: $8,981 USD|Avg: $5,525 USD
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
Retailer 18
November 6, 2026
Retailer 4$4,243 USD
Retailer 13$4,315 USD
Retailer 18$4,385 USD
Retailer 8$4,528 USD
Retailer 3$4,865 USD
Retailer 14$4,865 USD
Retailer 17$4,865 USD
Retailer 16$5,124 USD
Retailer 11$5,188 USD
Retailer 15$5,373 USD
Retailer 6$5,460 USD
Retailer 7$5,460 USD
Retailer 5$5,613 USD
Retailer 9$5,640 USD
Retailer 2$5,705 USD
Retailer 10$5,926 USD
Retailer 12$8,552 USD
NZ Jewellers$8,981 USD

45 data points across 18 retailers

17 retailers$4,243 USD to $8,981 USD

B+
Cheapest Retailer
-
$4,243 USD
B+
Retailer 2
-
$4,315 USD
View
B+
Retailer 3
-
$4,385 USD
View
B+
Retailer 4
-
$4,528 USD
View
B
Retailer 5
-
$4,865 USD
View
B
Retailer 6
-
$4,865 USD
View
Retailer 7
-
$4,865 USD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$5,124 USD
View
B
Retailer 9
-
$5,188 USD
View
B
Retailer 10
-
$5,460 USD
View
B
Retailer 11
-
$5,460 USD
View
B
Retailer 12
-
$5,613 USD
View
B
Retailer 13
-
$5,640 USD
View
B
Retailer 14
-
$5,705 USD
View
Retailer 15
-
$5,926 USD
View
Price last confirmed 14 days ago
B
Retailer 16
-
$8,552 USD
View
Most Expensive
B
NZ Jewellers
fe52145a-d837-4405-9907-45c204f4f43f · Nov 5
$8,981 USD
View
16 more retailers have this diamond
Prices start from $4,243 USDSave up to $4,738 USD

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+
1.20ct Marquise
$4,243 USD