Radiant|Lab Grown|IGI

1.77ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG732576724

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

Certificate IGI LG732576724

Diamond specifications and retailer prices

From £160 GBP
$215 USD
As of October 30, 2026
Save £713 GBP (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £886 GBP at Rare Carat · As of August 9, 2026
View at Rare Carat

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 LG732576724 or 732576724. Listed at 22 retailers as of October 30, 2026, with a 444% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732576724
Dimensions8.74 × 5.98 × 3.98 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.74 mm5.98 mm1.77 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732576724
Side View
Table 68.0%Crown 44°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 66.6%

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 30
Current: £817 GBP|Low: £154 GBP|High: £1,022 GBP|Avg: £460 GBP|-0.9%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 12£160 GBP
Retailer 5£199 GBP
Retailer 13£199 GBP
Retailer 2£233 GBP
Retailer 4£341 GBP
Retailer 9£342 GBP
Retailer 6£369 GBP
Retailer 10£465 GBP
Retailer 11£514 GBP
Retailer 8£802 GBP
Retailer 3£811 GBP
Rare Carat£817 GBP
Retailer 7£873 GBP

38 data points across 13 retailers

22 retailers£160 GBP to £873 GBP

A
Cheapest Retailer
-
£160 GBP
$215 USD
A
Retailer 2
-
£180 GBP
$241 USD
View
Final sale: no returns
A
Retailer 3
-
£186 GBP
$249 USD
View
Retailer 4
-
£199 GBP
$267 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£199 GBP
$267 USD
View
A
Retailer 6
-
£233 GBP
View
B+
Retailer 7
-
£341 GBP
$457 USD
View
A
Retailer 8
-
£342 GBP
ZAR 7,401 ZAR
View
A
Retailer 9
-
£369 GBP
View
A
Retailer 10
-
£452 GBP
$606 USD
View
A
Retailer 11
-
£465 GBP
A$958 AUD
View
A
Retailer 12
-
£466 GBP
$625 USD
View
A
Retailer 13
-
£514 GBP
$689 USD
View
B+
Retailer 14
-
£640 GBP
$857 USD
View
B+
Retailer 15
-
£679 GBP
$910 USD
View
B
Retailer 16
-
£773 GBP
View
Retailer 17
-
£795 GBP
$1,065 USD
View
Price last confirmed 10 days ago
B+
Retailer 18
-
£802 GBP
View
B+
Retailer 19
-
£811 GBP
$1,086 USD
View
Retailer 20
-
£817 GBP
$1,095 USD
View
Price last confirmed 13 days ago
B+
Retailer 21
-
£873 GBP
$1,170 USD
View
Most Expensive
Rare Carat
DBS128-76_l_542236835 · Aug 9
£886 GBP
$1,187 USD
View
Price last confirmed 83 days ago
21 more retailers have this diamond
Prices start from £160 GBPSave up to £713 GBP

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
£160 GBP