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Round|Lab Grown|IGI

1.76ct G VVS1 Round Lab Grown Diamond

ID • G/VVS1 • IGI LG816657778

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816657778

Diamond specifications and retailer prices

From £340 GBP
$455 USD
As of November 1, 2026
Save £769 GBP (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,108 GBP at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.76ct lab-grown round diamond

This 1.76ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816657778 or 816657778. Listed at 10 retailers as of October 28, 2026, with prices from £340 to £1,108, a £769 spread on the same certified stone. Rare Carat lists it at £1,108. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.76
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816657778
Dimensions7.79 × 7.75 × 4.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
7.79 mm7.75 mm1.76 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816657778
Side View
Table 56.0%Crown 33.9°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.3%

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: Nov 1
Current: £1,108 GBP|Low: £340 GBP|High: £1,108 GBP|Avg: £663 GBP|+6.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5£340 GBP
Retailer 3£416 GBP
Retailer 2£442 GBP
Retailer 6£455 GBP
Retailer 8£525 GBP
Retailer 4£1,012 GBP
Retailer 7£1,026 GBP
Rare Carat£1,108 GBP

42 data points across 8 retailers

10 retailers£340 GBP to £1,108 GBP

B+
Cheapest Retailer
-
£340 GBP
$455 USD
A
Retailer 2
-
£416 GBP
€531 EUR
View
A
Retailer 3
-
£442 GBP
View
B+
Retailer 4
-
£455 GBP
$610 USD
View
B+
Retailer 5
-
£525 GBP
$704 USD
View
B
Retailer 6
-
£849 GBP
$1,137 USD
View
B
Retailer 7
-
£1,012 GBP
View
B
Retailer 8
-
£1,047 GBP
$1,403 USD
View
B
Retailer 9
-
£1,082 GBP
$1,450 USD
View
Most Expensive
B
Rare Carat
DM573-96A · Oct 28
£1,108 GBP
$1,485 USD
View
9 more retailers have this diamond
Prices start from £340 GBPSave up to £769 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
1.76ct Round
£340 GBP