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Round|Lab Grown|IGI

1.77ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG770643926

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770643926

Diamond specifications and retailer prices

From $231 USD
As of October 29, 2026
Save $1,279 USD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,510 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770643926 or 770643926. Listed at 23 retailers as of October 28, 2026, with prices from $231 to $1,510, a $1,279 spread on the same certified stone. Brilliant Earth lists it at $1,510. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770643926
Dimensions7.78 × 7.83 × 4.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.78 mm7.83 mm1.77 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770643926
Side View
Table 62.0%Crown 33.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.1%

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: $1,510 USD|Low: $231 USD|High: $1,700 USD|Avg: $647 USD|-11.2%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 20
October 29, 2026
Retailer 2$231 USD
Retailer 7$268 USD
Retailer 6$287 USD
Retailer 12$300 USD
Retailer 13$449 USD
Retailer 15$480 USD
Retailer 19$486 USD
Retailer 4$492 USD
Retailer 3$536 USD
Retailer 14$549 USD
Retailer 16$603 USD
Retailer 9$698 USD
Retailer 11$752 USD
Retailer 20$915 USD
Retailer 5$921 USD
Retailer 8$974 USD
Retailer 18$1,166 USD
Retailer 10$1,208 USD
Retailer 17$1,263 USD
Brilliant Earth$1,510 USD

43 data points across 20 retailers

23 retailers$231 USD to $1,510 USD

A
Cheapest Retailer
-
$231 USD
A
Retailer 2
-
$268 USD
View
A
Retailer 3
-
$287 USD
View
A
Retailer 4
-
$300 USD
View
A
Retailer 5
-
$449 USD
£354 GBP
View
A
Retailer 6
-
$480 USD
€457 EUR
View
B+
Retailer 7
-
$486 USD
View
A
Retailer 8
-
$492 USD
ZAR 7,954 ZAR
View
A
Retailer 9
-
$536 USD
£422 GBP
View
A
Retailer 10
-
$549 USD
View
A
Retailer 11
-
$603 USD
View
B+
Retailer 12
-
$698 USD
A$1,074 AUD
View
B+
Retailer 13
-
$752 USD
View
B+
Retailer 14
-
$879 USD
View
Price last confirmed 43 days ago
B+
Retailer 15
-
$915 USD
View
B+
Retailer 16
-
$921 USD
View
B+
Retailer 17
-
$974 USD
View
B+
Retailer 18
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$984 USD
View
Price last confirmed 94 days ago
B+
Retailer 19
-
$1,032 USD
View
B
Retailer 20
-
$1,166 USD
View
B
Retailer 21
-
$1,208 USD
£951 GBP
View
Price last confirmed 8 days ago
B
Retailer 22
-
$1,263 USD
View
Most Expensive
B
Brilliant Earth
18082110A · Oct 28
$1,510 USD
View
22 more retailers have this diamond
Prices start from $231 USDSave up to $1,279 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
$231 USD