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1.77ct G VVS1 Round Lab Grown Diamond

EX • G/VVS1 • IGI LG691582531

Shape and cutting style on the report: Round brilliant

Certificate IGI LG691582531

Diamond specifications and retailer prices

From $499 USD
As of October 30, 2026
Save $696 USD (58%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,195 USD at MOH London · As of October 29, 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 G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG691582531 or 691582531. Listed at 4 retailers as of October 29, 2026, with prices from $499 to $1,195, a $696 spread on the same certified stone. MOH London lists it at $1,195. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
G
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691582531
Dimensions7.70 × 7.68 × 4.82 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.70 mm7.68 mm1.77 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691582531
Side View
Table 56.0%Crown 34.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.7%

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 30
Current: $1,195 USD|Low: $474 USD|High: $1,203 USD|Avg: $710 USD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 3$499 USD
Retailer 2$560 USD
Retailer 4$699 USD
MOH London$1,195 USD

39 data points across 4 retailers

4 retailers$499 USD to $1,195 USD

B+
Cheapest Retailer
-
$499 USD
A
Retailer 2
-
$560 USD
£441 GBP
View
B+
Retailer 3
-
$699 USD
View
Most Expensive
B
MOH London
LG691582531 · Oct 29
$1,195 USD
£941 GBP
View
3 more retailers have this diamond
Prices start from $499 USDSave up to $696 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
$499 USD