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Round|Lab Grown|IGI

1.70ct G VVS2 Round Lab Grown Diamond

EX • G/VVS2 • IGI LG770638019

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770638019

Diamond specifications and retailer prices

From £169 GBP
$226 USD
As of October 29, 2026
Save £802 GBP (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £970 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG770638019 or 770638019. Listed at 21 retailers as of October 28, 2026, with prices from £169 to £970, a £802 spread on the same certified stone. Brilliant Earth lists it at £970. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770638019
Dimensions7.65 × 7.59 × 4.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.65 mm7.59 mm1.70 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770638019
Side View
Table 58.0%Crown 33.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.0%

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 29
Current: £970 GBP|Low: £162 GBP|High: £1,052 GBP|Avg: £478 GBP|-7.8%
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
October 30, 2026
Retailer 13£169 GBP
Retailer 3£209 GBP
Retailer 6£209 GBP
Retailer 8£350 GBP
Retailer 4£356 GBP
Retailer 10£359 GBP
Retailer 2£389 GBP
Retailer 5£403 GBP
Retailer 11£488 GBP
Retailer 12£548 GBP
Retailer 14£749 GBP
Retailer 9£836 GBP
Retailer 7£842 GBP
Brilliant Earth£970 GBP

43 data points across 14 retailers

21 retailers£169 GBP to £970 GBP

A
Cheapest Retailer
-
£169 GBP
$226 USD
A
Retailer 2
-
£196 GBP
$262 USD
View
A
Retailer 3
-
£209 GBP
$280 USD
View
A
Retailer 4
-
£209 GBP
$280 USD
View
A
Retailer 5
-
£350 GBP
€446 EUR
View
B+
Retailer 6
-
£356 GBP
$477 USD
View
A
Retailer 7
-
£359 GBP
ZAR 7,766 ZAR
View
A
Retailer 8
-
£389 GBP
View
A
Retailer 9
-
£403 GBP
$540 USD
View
B+
Retailer 10
-
£429 GBP
$575 USD
View
B+
Retailer 11
-
£488 GBP
A$1,005 AUD
View
B+
Retailer 12
-
£548 GBP
$734 USD
View
Retailer 13
-
£613 GBP
$821 USD
View
Price last confirmed 44 days ago
B+
Retailer 14
-
£671 GBP
$899 USD
View
B
Retailer 15
-
£710 GBP
$952 USD
View
B
Retailer 16
-
£749 GBP
$1,004 USD
View
B
Retailer 17
-
£836 GBP
$1,120 USD
View
B
Retailer 18
-
£842 GBP
View
B
Retailer 19
-
£850 GBP
$1,139 USD
View
B
Retailer 20
-
£917 GBP
$1,229 USD
View
Most Expensive
B
Brilliant Earth
19961007A · Oct 28
£970 GBP
$1,300 USD
View
20 more retailers have this diamond
Prices start from £169 GBPSave up to £802 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
£169 GBP