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Round|Natural|GIA

0.75ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6511557506

Certificate GIA 6511557506

Diamond specifications and retailer prices

From $1,298 SGD
₹96,435 INR
As of October 29, 2026
Save $2,992 SGD (70%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,290 SGD at Diamond Quarter · As of October 26, 2026
View at Diamond Quarter

About this 0.75ct natural round diamond

This 0.75ct natural round sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6511557506. Listed at 18 retailers as of October 26, 2026, with prices from $1,298 to $4,290, a $2,992 spread on the same certified stone. Diamond Quarter lists it at $4,290. 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

0.75
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6511557506
Dimensions5.84 × 5.80 × 3.62 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.84 mm5.80 mm0.75 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6511557506
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.2%

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: $1,298 SGD|Low: $1,239 SGD|High: $3,221 SGD|Avg: $2,005 SGD|-2.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 1$1,298 SGD
Retailer 8$1,603 SGD
Retailer 10$1,609 SGD
Retailer 6$1,615 SGD
Retailer 2$1,760 SGD
Retailer 4$1,962 SGD
Retailer 3$2,252 SGD
Retailer 9$2,267 SGD
Retailer 5$2,589 SGD
Retailer 7$3,200 SGD

40 data points across 10 retailers

18 retailers$1,298 SGD to $4,290 SGD

A
Cheapest Retailer
-
$1,298 SGD
₹96,435 INR
A
Retailer 2
-
$1,603 SGD
$1,250 USD
View
Final sale: no returns
A
Retailer 3
-
$1,609 SGD
$1,255 USD
View
A
Retailer 4
-
$1,615 SGD
$1,260 USD
View
A
Retailer 5
-
$1,737 SGD
$1,355 USD
View
A
Retailer 6
-
$1,737 SGD
$1,355 USD
View
A
Retailer 7
-
$1,760 SGD
$1,373 USD
View
A
Retailer 8
-
$1,818 SGD
$1,418 USD
View
A
Retailer 9
-
$1,878 SGD
$1,465 USD
View
A
Retailer 10
-
$1,962 SGD
£1,205 GBP
View
A
Retailer 11
-
$2,005 SGD
$1,564 USD
View
B+
Retailer 12
-
$2,170 SGD
$1,692 USD
View
B+
Retailer 13
-
$2,252 SGD
€1,673 EUR
View
B+
Retailer 14
-
$2,267 SGD
A$2,721 AUD
View
Price last confirmed 23 days ago
B+
Retailer 15
-
$2,589 SGD
ZAR 32,618 ZAR
View
B+
Retailer 16
-
$3,200 SGD
£1,965 GBP
View
B
Retailer 17
-
$4,239 SGD
$3,306 USD
View
Most Expensive
B
Diamond Quarter
0.75SI1D65064FBDN · Oct 26
$4,290 SGD
£2,635 GBP
View
17 more retailers have this diamond
Prices start from $1,298 SGDSave up to $2,992 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.

A
0.75ct Round
$1,298 SGD