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Round|Lab Grown|GIA

1.77ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • GIA 3415624909

Certificate GIA 3415624909

Diamond specifications and retailer prices

From $582 AUD
$409 USD
As of October 29, 2026
Save $2,241 AUD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,824 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 1.77ct lab-grown round diamond

This 1.77ct 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 3415624909. Listed at 15 retailers as of October 26, 2026, with prices from $582 to $2,824, a $2,241 spread on the same certified stone. MOH London lists it at $2,824. 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

1.77
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 3415624909
Dimensions7.73 × 7.68 × 4.79 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
7.73 mm7.68 mm1.77 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3415624909
Side View
Table 57.0%Crown 36°Girdle: ThickPavilion 40.6°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: $2,824 AUD|Low: $559 AUD|High: $2,854 AUD|Avg: $1,289 AUD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 6$582 AUD
Retailer 8$722 AUD
Retailer 10$979 AUD
Retailer 2$1,079 AUD
Retailer 9$1,080 AUD
Retailer 3$1,164 AUD
Retailer 5$1,281 AUD
Retailer 7$1,708 AUD
Retailer 4$1,752 AUD
MOH London$2,824 AUD

43 data points across 10 retailers

15 retailers$582 AUD to $2,824 AUD

A
Cheapest Retailer
-
$582 AUD
$409 USD
A
Retailer 2
-
$652 AUD
$458 USD
View
A
Retailer 3
-
$722 AUD
$507 USD
View
A
Retailer 4
-
$722 AUD
$507 USD
View
A
Retailer 5
-
$802 AUD
HK$4,400 HKD
View
B+
Retailer 6
-
$979 AUD
$688 USD
View
B+
Retailer 7
-
$1,079 AUD
£597 GBP
View
B+
Retailer 8
-
$1,080 AUD
$759 USD
View
B+
Retailer 9
-
$1,164 AUD
€779 EUR
View
B+
Retailer 10
-
$1,281 AUD
$900 USD
View
B+
Retailer 11
-
$1,335 AUD
$938 USD
View
B
Retailer 12
-
$1,708 AUD
$1,200 USD
View
B
Retailer 13
-
$1,752 AUD
$1,231 USD
View
B
Retailer 14
-
$2,320 AUD
$1,630 USD
View
Most Expensive
B
MOH London
3415624909 · Oct 26
$2,824 AUD
£1,562 GBP
View
14 more retailers have this diamond
Prices start from $582 AUDSave up to $2,241 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
1.77ct Round
$582 AUD