Round|Lab Grown|IGI

1.77ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG821689814

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821689814

Diamond specifications and retailer prices

From $319 USD
As of October 26, 2026
Save $1,482 USD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,869 USD at NZ Jewellers · As of October 7, 2026
View at NZ Jewellers

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 LG821689814 or 821689814. Listed at 11 retailers as of October 26, 2026, with a 465% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821689814
Dimensions7.83 × 7.80 × 4.81 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.83 mm7.80 mm1.77 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821689814
Side View
Table 56.0%Crown 33.7°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 61.5%

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 26
Current: $1,273 USD|Low: $319 USD|High: $2,676 USD|Avg: $904 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 27, 2026
Retailer 8$319 USD
Retailer 7$358 USD
Retailer 11$396 USD
Retailer 14$428 USD
Retailer 9$550 USD
Retailer 13$566 USD
Retailer 5$612 USD
Retailer 12$678 USD
Retailer 2$718 USD
Retailer 4$964 USD
Retailer 6$1,069 USD
Retailer 3$1,220 USD
NZ Jewellers$1,273 USD
Retailer 10$1,801 USD

18 data points across 14 retailers

11 retailers$319 USD to $1,801 USD

A
Cheapest Retailer
-
$319 USD
Returns within 21 days
A
Retailer 2
-
$358 USD
View
Final sale: no returns
A
Retailer 3
-
$396 USD
View
Returns within 30 days
A
Retailer 4
-
$469 USD
View
Price last confirmed 18 days ago
Returns within 21 days
A
Retailer 5
-
$550 USD
View
Returns within 40 days
A
Retailer 6
-
$678 USD
ZAR 10,951 ZAR
View
Returns within 7 days
B+
Retailer 7
-
$718 USD
€684 EUR
View
Returns within 100 days
B+
Retailer 8
-
$964 USD
View
Price last confirmed 80 days ago
Returns within 30 days
B
Retailer 9
-
$1,273 USD
View
Returns within 30 days
B
Retailer 10
-
$1,801 USD
£1,418 GBP
View
Most Expensive
B
NZ Jewellers
b9ceebfb-d210-409c-a1f1-4521d2e658d1 · Oct 7
$1,869 USD
View
Price last confirmed 21 days ago
Returns within 30 days
10 more retailers have this diamond
Prices start from $319 USDSave up to $1,482 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
$319 USD