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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 $409 USD
As of October 29, 2026
Save $1,575 USD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,984 USD 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 $409 to $1,984, a $1,575 spread on the same certified stone. MOH London lists it at $1,984. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,984 USD|Low: $393 USD|High: $2,005 USD|Avg: $905 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6$409 USD
Retailer 8$507 USD
Retailer 10$688 USD
Retailer 2$758 USD
Retailer 9$759 USD
Retailer 3$818 USD
Retailer 5$900 USD
Retailer 7$1,200 USD
Retailer 4$1,231 USD
MOH London$1,984 USD

42 data points across 10 retailers

15 retailers$409 USD to $1,984 USD

A
Cheapest Retailer
-
$409 USD
A
Retailer 2
-
$458 USD
View
A
Retailer 3
-
$507 USD
View
A
Retailer 4
-
$507 USD
View
A
Retailer 5
-
$563 USD
HK$4,400 HKD
View
B+
Retailer 6
-
$688 USD
View
B+
Retailer 7
-
$758 USD
£597 GBP
View
B+
Retailer 8
-
$759 USD
View
B+
Retailer 9
-
$818 USD
€779 EUR
View
B+
Retailer 10
-
$900 USD
View
B+
Retailer 11
-
$938 USD
View
B
Retailer 12
-
$1,200 USD
View
B
Retailer 13
-
$1,231 USD
View
B
Retailer 14
-
$1,630 USD
View
Most Expensive
B
MOH London
3415624909 · Oct 26
$1,984 USD
£1,562 GBP
View
14 more retailers have this diamond
Prices start from $409 USDSave up to $1,575 USD

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
$409 USD