Round|Natural|GIA

2.03ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1509059582

Certificate GIA 1509059582

Diamond specifications and retailer prices

From $12,998 USD
As of October 29, 2026
Save $7,196 USD (36%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $20,194 USD at MOH London · As of October 26, 2026
View at MOH London

About this 2.03ct natural round diamond

This 2.03ct natural round sits in the two to three carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1509059582. Listed at 16 retailers as of October 26, 2026, with prices from $12,998 to $20,194, a $7,196 spread on the same certified stone. MOH London lists it at $20,194. 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

2.03
Carat
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1509059582
Dimensions8.11 × 8.06 × 5.00 mm
L/W Ratio1.01
Star length55%
Lower girdle80%
Key to symbols
Crystal, Feather
Top View
8.11 mm8.06 mm2.03 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1509059582
Side View
Table 58.0%Crown 35°Girdle: STK-STKPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $20,194 USD|Low: $11,502 USD|High: $20,410 USD|Avg: $14,902 USD|-1.1%
MOH London
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
October 30, 2026
Retailer 3$11,502 USD
Retailer 4$12,990 USD
Retailer 15$12,998 USD
Retailer 6$13,104 USD
Retailer 9$13,622 USD
Retailer 5$13,659 USD
Retailer 13$14,254 USD
Retailer 2$14,286 USD
Retailer 14$15,204 USD
Retailer 12$15,441 USD
Retailer 7$15,828 USD
Retailer 11$16,035 USD
Retailer 10$16,183 USD
Retailer 8$18,293 USD
MOH London$20,194 USD

27 data points across 15 retailers

16 retailers$12,998 USD to $20,194 USD

Retailer 1
-
$11,502 USD
₹1,095,422 INR
Price last confirmed 12 days ago
Retailer 2
-
$11,872 USD
View
Price last confirmed 12 days ago
Retailer 3
-
$12,990 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$12,998 USD
View
A
Retailer 5
-
$13,104 USD
View
A
Retailer 6
-
$13,622 USD
£10,726 GBP
View
A
Retailer 7
-
$13,659 USD
View
Final sale: no returns
A
Retailer 8
-
$14,254 USD
View
A
Retailer 9
-
$14,286 USD
£11,248 GBP
View
A
Retailer 10
-
$15,204 USD
View
A
Retailer 11
-
$15,441 USD
View
A
Retailer 12
-
$15,828 USD
View
A
Retailer 13
-
$16,035 USD
View
A
Retailer 14
-
$16,183 USD
€15,412 EUR
View
B+
Retailer 15
-
$18,293 USD
View
Most Expensive
B+
MOH London
2A6A50E82 · Oct 26
$20,194 USD
£15,901 GBP
View
15 more retailers have this diamond
Prices start from $12,998 USDSave up to $7,196 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.

A
2.03ct Round
$12,998 USD