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1.77ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • GIA 3415624909

Certificate GIA 3415624909

Diamond specifications and retailer prices

From $728 NZD
$409 USD
As of October 29, 2026
Save $2,804 NZD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,532 NZD 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 $728 to $3,532, a $2,804 spread on the same certified stone. MOH London lists it at $3,532. 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: $3,532 NZD|Low: $700 NZD|High: $3,570 NZD|Avg: $1,613 NZD|+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$728 NZD
Retailer 8$903 NZD
Retailer 10$1,225 NZD
Retailer 2$1,350 NZD
Retailer 9$1,351 NZD
Retailer 3$1,456 NZD
Retailer 5$1,602 NZD
Retailer 7$2,137 NZD
Retailer 4$2,192 NZD
MOH London$3,532 NZD

43 data points across 10 retailers

15 retailers$728 NZD to $3,532 NZD

A
Cheapest Retailer
-
$728 NZD
$409 USD
A
Retailer 2
-
$815 NZD
$458 USD
View
A
Retailer 3
-
$903 NZD
$507 USD
View
A
Retailer 4
-
$903 NZD
$507 USD
View
A
Retailer 5
-
$1,003 NZD
HK$4,400 HKD
View
B+
Retailer 6
-
$1,225 NZD
$688 USD
View
B+
Retailer 7
-
$1,350 NZD
£597 GBP
View
B+
Retailer 8
-
$1,351 NZD
$759 USD
View
B+
Retailer 9
-
$1,456 NZD
€779 EUR
View
B+
Retailer 10
-
$1,602 NZD
$900 USD
View
B+
Retailer 11
-
$1,670 NZD
$938 USD
View
B
Retailer 12
-
$2,137 NZD
$1,200 USD
View
B
Retailer 13
-
$2,192 NZD
$1,231 USD
View
B
Retailer 14
-
$2,902 NZD
$1,630 USD
View
Most Expensive
B
MOH London
3415624909 · Oct 26
$3,532 NZD
£1,562 GBP
View
14 more retailers have this diamond
Prices start from $728 NZDSave up to $2,804 NZD

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
$728 NZD