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Round|Natural|GIA

2.03ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6137136723

Certificate GIA 6137136723

Diamond specifications and retailer prices

From $43,356 AUD
As of November 6, 2026
Save $8,341 AUD (16%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $66,886 AUD at MOH London · As of November 4, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6137136723. Listed at 7 retailers as of November 5, 2026, with a relatively tight 19% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6137136723
Dimensions8.05 × 8.07 × 5.06 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
8.05 mm8.07 mm2.03 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6137136723
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $66,886 AUD|Low: $43,355 AUD|High: $67,873 AUD|Avg: $51,883 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2$43,356 AUD
Retailer 4$43,929 AUD
Retailer 3$51,697 AUD
MOH London$66,886 AUD

42 data points across 4 retailers

7 retailers$43,356 AUD to $51,697 AUD

B
Cheapest Retailer
-
$43,356 AUD
B
Retailer 2
-
$43,929 AUD
View
B
Retailer 3
-
$45,398 AUD
View
B
Retailer 4
-
$45,398 AUD
View
B
Retailer 5
-
$46,912 AUD
View
B
Retailer 6
-
$51,697 AUD
View
Most Expensive
MOH London
976F684E6 · Nov 4
$66,886 AUD
£36,868 GBP
View
Price under review
6 more retailers have this diamond
Prices start from $43,356 AUDSave up to $8,341 AUD

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
2.03ct Round
$43,356 AUD