Marquise|Natural|GIA

1.20ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6542700155

Certificate GIA 6542700155

Diamond specifications and retailer prices

From $5,275 USD
As of October 30, 2026
Save $5,893 USD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $11,168 USD at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6542700155. Listed at 17 retailers as of October 30, 2026, with prices from $5,275 to $11,168, a $5,893 spread on the same certified stone. NZ Jewellers lists it at $11,168. 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
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6542700155
Dimensions10.78 × 5.84 × 3.37 mm
L/W Ratio1.85
Culet sizeNone
Top View
10.78 mm5.84 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542700155
Side View
Table 64.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 57.6%

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: Oct 30
Current: $11,168 USD|Low: $5,118 USD|High: $11,168 USD|Avg: $7,066 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
November 1, 2026
Retailer 5$5,275 USD
Retailer 2$5,285 USD
Retailer 7$5,386 USD
Retailer 4$5,584 USD
Retailer 6$5,630 USD
Retailer 3$6,049 USD
Retailer 13$6,049 USD
Retailer 14$6,049 USD
Retailer 10$6,404 USD
Retailer 8$6,602 USD
Retailer 15$6,980 USD
Retailer 11$7,295 USD
Retailer 12$8,947 USD
Retailer 9$9,837 USD
NZ Jewellers$11,168 USD

34 data points across 15 retailers

17 retailers$5,275 USD to $11,168 USD

B+
Cheapest Retailer
-
$5,275 USD
B+
Retailer 2
-
$5,285 USD
View
B+
Retailer 3
-
$5,386 USD
View
B+
Retailer 4
-
$5,584 USD
View
Final sale: no returns
B+
Retailer 5
-
$5,630 USD
View
B+
Retailer 6
-
$5,965 USD
View
B
Retailer 7
-
$6,049 USD
View
B
Retailer 8
-
$6,049 USD
View
B
Retailer 9
-
$6,049 USD
View
B+
Retailer 10
-
$6,404 USD
£5,043 GBP
View
B
Retailer 11
-
$6,602 USD
£5,198 GBP
View
B
Retailer 12
-
$6,980 USD
View
B
Retailer 13
-
$7,295 USD
€6,948 EUR
View
Retailer 14
-
$7,360 USD
View
Price last confirmed 17 days ago
B
Retailer 15
-
$8,947 USD
£7,045 GBP
View
B
Retailer 16
-
$9,837 USD
£7,746 GBP
View
Most Expensive
B
NZ Jewellers
73677749-92f5-4f92-a800-ca5fbc3e2c78 · Oct 30
$11,168 USD
View
16 more retailers have this diamond
Prices start from $5,275 USDSave up to $5,893 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
$5,275 USD