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Radiant|Lab Grown|IGI

1.77ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG596309191

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG596309191

Diamond specifications and retailer prices

From $596 SGD
$466 USD
As of October 30, 2026
Save $1,641 SGD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,237 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.77ct lab-grown radiant diamond

This 1.77ct lab-grown radiant 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 LG596309191 or 596309191. Listed at 16 retailers as of October 30, 2026, with prices from $596 to $2,237, a $1,641 spread on the same certified stone. Brilliant Earth lists it at $2,237. 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 angle45.1°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596309191
Dimensions8.76 × 5.89 × 4.02 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.76 mm5.89 mm1.77 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG596309191
Side View
Table 66.0%Crown 45.1°Girdle: MediumPavilion 35.6°Culet: NoneDepth 68.3%

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: $2,237 SGD|Low: $295 SGD|High: $2,646 SGD|Avg: $964 SGD|-15.5%
Brilliant Earth
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
Retailer 15
Retailer 16
October 31, 2026
Retailer 3$314 SGD
Retailer 7$329 SGD
Retailer 5$596 SGD
Retailer 10$600 SGD
Retailer 13$630 SGD
Retailer 2$650 SGD
Retailer 14$782 SGD
Retailer 16$802 SGD
Retailer 11$816 SGD
Retailer 12$1,128 SGD
Retailer 8$1,188 SGD
Retailer 4$1,191 SGD
Retailer 9$1,408 SGD
Retailer 15$1,423 SGD
Retailer 6$1,609 SGD
Brilliant Earth$2,237 SGD

41 data points across 16 retailers

16 retailers$596 SGD to $2,237 SGD

Retailer 1
-
$307 SGD
$240 USD
Price last confirmed 34 days ago
Retailer 2
-
$323 SGD
$253 USD
View
Price last confirmed 34 days ago
B+
Retailer 3
-
$596 SGD
$466 USD
View
A
Retailer 4
-
$600 SGD
ZAR 7,585 ZAR
View
Retailer 5
-
$630 SGD
€469 EUR
View
Price last confirmed 8 days ago
A
Retailer 6
-
$650 SGD
£400 GBP
View
A
Retailer 7
-
$782 SGD
$612 USD
View
A
Retailer 8
-
$802 SGD
$627 USD
View
A
Retailer 9
-
$816 SGD
A$982 AUD
View
B+
Retailer 10
-
$1,127 SGD
£694 GBP
View
B+
Retailer 11
-
$1,128 SGD
$882 USD
View
B+
Retailer 12
-
$1,191 SGD
$931 USD
View
B+
Retailer 13
-
$1,408 SGD
£867 GBP
View
B+
Retailer 14
-
$1,423 SGD
$1,113 USD
View
Retailer 15
-
$1,609 SGD
$1,259 USD
View
Price last confirmed 20 days ago
Most Expensive
B
Brilliant Earth
7939372A · Oct 30
$2,237 SGD
$1,750 USD
View
15 more retailers have this diamond
Prices start from $596 SGDSave up to $1,641 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 Radiant
$596 SGD