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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 €366 EUR
$409 USD
As of October 29, 2026
Save €1,410 EUR (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,776 EUR 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 €366 to €1,776, a €1,410 spread on the same certified stone. MOH London lists it at €1,776. 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: €1,776 EUR|Low: €352 EUR|High: €1,795 EUR|Avg: €811 EUR|+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 7€366 EUR
Retailer 8€454 EUR
Retailer 10€616 EUR
Retailer 3€678 EUR
Retailer 9€679 EUR
Retailer 4€732 EUR
Retailer 6€806 EUR
Retailer 2€949 EUR
Retailer 5€1,102 EUR
MOH London€1,776 EUR

43 data points across 10 retailers

15 retailers€366 EUR to €1,776 EUR

A
Cheapest Retailer
-
€366 EUR
$409 USD
A
Retailer 2
-
€410 EUR
$458 USD
View
A
Retailer 3
-
€454 EUR
$507 USD
View
A
Retailer 4
-
€454 EUR
$507 USD
View
A
Retailer 5
-
€504 EUR
HK$4,400 HKD
View
B+
Retailer 6
-
€616 EUR
$688 USD
View
B+
Retailer 7
-
€678 EUR
£597 GBP
View
B+
Retailer 8
-
€679 EUR
$759 USD
View
B+
Retailer 9
-
€732 EUR
View
B+
Retailer 10
-
€806 EUR
$900 USD
View
B+
Retailer 11
-
€840 EUR
$938 USD
View
B
Retailer 12
-
€949 EUR
$1,060 USD
View
B
Retailer 13
-
€1,102 EUR
$1,231 USD
View
B
Retailer 14
-
€1,459 EUR
$1,630 USD
View
Most Expensive
B
MOH London
3415624909 · Oct 26
€1,776 EUR
£1,562 GBP
View
14 more retailers have this diamond
Prices start from €366 EURSave up to €1,410 EUR

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
€366 EUR