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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 $409 SGD
$319 USD
As of October 26, 2026
Save $1,900 SGD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,396 SGD 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $1,632 SGD|Low: $409 SGD|High: $3,431 SGD|Avg: $1,159 SGD
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$409 SGD
Retailer 7$459 SGD
Retailer 11$508 SGD
Retailer 14$549 SGD
Retailer 9$705 SGD
Retailer 13$725 SGD
Retailer 5$785 SGD
Retailer 12$869 SGD
Retailer 2$921 SGD
Retailer 4$1,236 SGD
Retailer 6$1,370 SGD
Retailer 3$1,564 SGD
NZ Jewellers$1,632 SGD
Retailer 10$2,309 SGD

18 data points across 14 retailers

11 retailers$409 SGD to $2,309 SGD

A
Cheapest Retailer
-
$409 SGD
$319 USD
A
Retailer 2
-
$459 SGD
$358 USD
View
Final sale: no returns
A
Retailer 3
-
$508 SGD
$396 USD
View
A
Retailer 4
-
$601 SGD
$469 USD
View
Price last confirmed 18 days ago
A
Retailer 5
-
$705 SGD
$550 USD
View
A
Retailer 6
-
$869 SGD
ZAR 10,951 ZAR
View
B+
Retailer 7
-
$921 SGD
€684 EUR
View
B+
Retailer 8
-
$1,236 SGD
$964 USD
View
Price last confirmed 80 days ago
B
Retailer 9
-
$1,632 SGD
$1,273 USD
View
B
Retailer 10
-
$2,309 SGD
£1,418 GBP
View
Most Expensive
B
NZ Jewellers
b9ceebfb-d210-409c-a1f1-4521d2e658d1 · Oct 7
$2,396 SGD
$1,869 USD
View
Price last confirmed 21 days ago
10 more retailers have this diamond
Prices start from $409 SGDSave up to $1,900 SGD

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
$409 SGD