Round|Lab Grown|GIA

1.70ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • GIA 2456007545

Certificate GIA 2456007545

Diamond specifications and retailer prices

From $561 AUD
$394 USD
As of October 29, 2026
Save $2,160 AUD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,721 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 1.7ct lab-grown round diamond

This 1.7ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2456007545. Listed at 16 retailers as of October 26, 2026, with prices from $561 to $2,721, a $2,160 spread on the same certified stone. MOH London lists it at $2,721. 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

1.70
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabGIA
CertificateGIA 2456007545
Dimensions7.65 × 7.61 × 4.74 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.65 mm7.61 mm1.70 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2456007545
Side View
Table 57.0%Crown 34.5°Girdle: NUL-NULPavilion 41.2°Culet: NoneDepth 62.1%

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: $2,721 AUD|Low: $538 AUD|High: $2,750 AUD|Avg: $1,262 AUD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 9$561 AUD
Retailer 11$695 AUD
Retailer 8$942 AUD
Retailer 2$1,037 AUD
Retailer 3$1,052 AUD
Retailer 4$1,089 AUD
Retailer 5$1,124 AUD
Retailer 7$1,267 AUD
Retailer 10$1,637 AUD
Retailer 6$1,682 AUD
MOH London$2,721 AUD

42 data points across 11 retailers

16 retailers$561 AUD to $2,721 AUD

A
Cheapest Retailer
-
$561 AUD
$394 USD
A
Retailer 2
-
$628 AUD
$441 USD
View
A
Retailer 3
-
$695 AUD
$488 USD
View
A
Retailer 4
-
$695 AUD
$488 USD
View
A
Retailer 5
-
$765 AUD
HK$4,200 HKD
View
B+
Retailer 6
-
$942 AUD
$662 USD
View
B+
Retailer 7
-
$1,037 AUD
£573 GBP
View
B+
Retailer 8
-
$1,052 AUD
$739 USD
View
B+
Retailer 9
-
$1,089 AUD
£603 GBP
View
B+
Retailer 10
-
$1,124 AUD
€752 EUR
View
B+
Retailer 11
-
$1,243 AUD
$873 USD
View
B+
Retailer 12
-
$1,267 AUD
$890 USD
View
B
Retailer 13
-
$1,637 AUD
$1,150 USD
View
B
Retailer 14
-
$1,682 AUD
$1,182 USD
View
B
Retailer 15
-
$2,235 AUD
$1,570 USD
View
Most Expensive
B
MOH London
2456007545 · Oct 26
$2,721 AUD
£1,505 GBP
View
15 more retailers have this diamond
Prices start from $561 AUDSave up to $2,160 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.

A
1.70ct Round
$561 AUD