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Round|Lab Grown|IGI

1.70ct G VVS1 Round Lab Grown Diamond

EX • G/VVS1 • IGI LG747513880

Shape and cutting style on the report: Round brilliant

Certificate IGI LG747513880

Diamond specifications and retailer prices

From £203 GBP
$272 USD
As of October 26, 2026
Save £859 GBP (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,071 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.7ct lab-grown round diamond

This 1.7ct 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 LG747513880 or 747513880. Listed at 22 retailers as of October 26, 2026, with a 423% 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

1.70
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747513880
Dimensions7.54 × 7.50 × 4.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
Top View
7.54 mm7.50 mm1.70 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747513880
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.3%

Caratlytics Score

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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: £1,071 GBP|Low: £195 GBP|High: £1,082 GBP|Avg: £493 GBP|-1.0%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 17£203 GBP
Retailer 8£227 GBP
Retailer 6£235 GBP
Retailer 3£252 GBP
Retailer 9£252 GBP
Retailer 16£340 GBP
Retailer 13£369 GBP
Retailer 2£398 GBP
Retailer 12£432 GBP
Retailer 5£452 GBP
Retailer 10£486 GBP
Retailer 11£585 GBP
Retailer 15£773 GBP
Retailer 7£809 GBP
Retailer 4£968 GBP
Retailer 14£1,009 GBP
Rare Carat£1,071 GBP

43 data points across 17 retailers

22 retailers£203 GBP to £1,062 GBP

A
Cheapest Retailer
-
£203 GBP
$272 USD
A
Retailer 2
-
£227 GBP
$304 USD
View
Final sale: no returns
A
Retailer 3
-
£235 GBP
$315 USD
View
A
Retailer 4
-
£252 GBP
$337 USD
View
A
Retailer 5
-
£252 GBP
$337 USD
View
B+
Retailer 6
-
£340 GBP
$455 USD
View
A
Retailer 7
-
£369 GBP
$495 USD
View
A
Retailer 8
-
£398 GBP
€508 EUR
View
A
Retailer 9
-
£432 GBP
ZAR 9,356 ZAR
View
B+
Retailer 10
-
£452 GBP
$606 USD
View
B+
Retailer 11
-
£486 GBP
View
B+
Retailer 12
-
£496 GBP
$665 USD
View
B+
Retailer 13
-
£585 GBP
A$1,206 AUD
View
B
Retailer 14
-
£773 GBP
$1,036 USD
View
B
Retailer 15
-
£809 GBP
$1,084 USD
View
B
Retailer 16
-
£847 GBP
$1,134 USD
View
B
Retailer 17
-
£968 GBP
$1,297 USD
View
B
Retailer 18
-
£1,009 GBP
View
B
Retailer 19
-
£1,044 GBP
$1,399 USD
View
Retailer 20
-
£1,055 GBP
$1,414 USD
View
Price last confirmed 73 days ago
B
Retailer 21
-
£1,062 GBP
$1,423 USD
View
Most Expensive
Rare Carat
HP54003301 · Oct 21
£1,071 GBP
$1,435 USD
View
Price last confirmed 10 days ago
21 more retailers have this diamond
Prices start from £203 GBPSave up to £859 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
1.70ct Round
£203 GBP