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Round|Lab Grown|GIA

1.73ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 6455007454

Certificate GIA 6455007454

Diamond specifications and retailer prices

From $520 SGD
$407 USD
As of October 29, 2026
Save $2,012 SGD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,533 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.73ct lab-grown round diamond

This 1.73ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6455007454. Listed at 16 retailers as of October 29, 2026, with prices from $520 to $2,533, a $2,012 spread on the same certified stone. MOH London lists it at $2,533. 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

1.73
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6455007454
Dimensions7.70 × 7.66 × 4.74 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.70 mm7.66 mm1.73 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6455007454
Side View
Table 58.0%Crown 34.5°Girdle: NUL-NULPavilion 40.8°Culet: NoneDepth 61.7%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $2,533 SGD|Low: $499 SGD|High: $2,549 SGD|Avg: $1,099 SGD|+0.6%
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 13$520 SGD
Retailer 3$582 SGD
Retailer 5$582 SGD
Retailer 7$644 SGD
Retailer 15$644 SGD
Retailer 10$831 SGD
Retailer 12$867 SGD
Retailer 8$963 SGD
Retailer 4$965 SGD
Retailer 9$989 SGD
Retailer 11$1,298 SGD
Retailer 2$1,457 SGD
Retailer 14$1,969 SGD
Retailer 6$2,072 SGD
MOH London$2,533 SGD

43 data points across 15 retailers

16 retailers$520 SGD to $2,533 SGD

A
Cheapest Retailer
-
$520 SGD
$407 USD
A
Retailer 2
-
$582 SGD
$455 USD
View
Final sale: no returns
A
Retailer 3
-
$582 SGD
$455 USD
View
A
Retailer 4
-
$644 SGD
$504 USD
View
A
Retailer 5
-
$644 SGD
$504 USD
View
B+
Retailer 6
-
$831 SGD
$650 USD
View
B+
Retailer 7
-
$867 SGD
$678 USD
View
B+
Retailer 8
-
$910 SGD
$712 USD
View
B+
Retailer 9
-
$963 SGD
£593 GBP
View
B+
Retailer 10
-
$965 SGD
$755 USD
View
B+
Retailer 11
-
$989 SGD
€737 EUR
View
Retailer 12
-
$1,298 SGD
$1,015 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
$1,457 SGD
$1,140 USD
View
B
Retailer 14
-
$1,969 SGD
$1,540 USD
View
B
Retailer 15
-
$2,072 SGD
$1,621 USD
View
Most Expensive
B
MOH London
6455007454 · Oct 29
$2,533 SGD
£1,560 GBP
View
15 more retailers have this diamond
Prices start from $520 SGDSave up to $2,012 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
1.73ct Round
$520 SGD