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Round|Lab Grown|IGI

1.70ct E VS2 Round Lab Grown Diamond

ID • E/VS2 • IGI LG678537460

Shape and cutting style on the report: Round brilliant

Certificate IGI LG678537460

Diamond specifications and retailer prices

From £187 GBP
$250 USD
As of October 29, 2026
Save £824 GBP (82%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,011 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678537460 or 678537460. Listed at 25 retailers as of October 29, 2026, with prices from £187 to £1,011, a £824 spread on the same certified stone. Reve Diamonds lists it at £1,011. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678537460
Dimensions7.63 × 7.66 × 4.71 mm
L/W Ratio1.00
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
7.63 mm7.66 mm1.70 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678537460
Side View
Table 59.0%Crown 35.7°Girdle: MediumPavilion 41°Culet: NoneDepth 61.7%

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: £911 GBP|Low: £178 GBP|High: £1,011 GBP|Avg: £527 GBP|+0.9%
Retailer 1
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Retailer 20
Reve Diamonds
October 31, 2026
Retailer 10£187 GBP
Retailer 20£209 GBP
Retailer 2£216 GBP
Retailer 6£231 GBP
Retailer 7£231 GBP
Retailer 19£351 GBP
Retailer 15£369 GBP
Retailer 3£387 GBP
Retailer 12£398 GBP
Retailer 5£434 GBP
Retailer 16£440 GBP
Retailer 14£445 GBP
Retailer 8£616 GBP
Retailer 4£687 GBP
Retailer 11£745 GBP
Retailer 9£783 GBP
Retailer 17£822 GBP
Retailer 1£911 GBP
Retailer 18£934 GBP
Retailer 13£993 GBP
Reve Diamonds£1,011 GBP

33 data points across 21 retailers

25 retailers£187 GBP to £1,011 GBP

A
Cheapest Retailer
-
£187 GBP
$250 USD
A
Retailer 2
-
£209 GBP
$280 USD
View
Final sale: no returns
A
Retailer 3
-
£216 GBP
$290 USD
View
A
Retailer 4
-
£231 GBP
$310 USD
View
A
Retailer 5
-
£231 GBP
$310 USD
View
A
Retailer 6
-
£351 GBP
$470 USD
View
A
Retailer 7
-
£369 GBP
View
A
Retailer 8
-
£387 GBP
$519 USD
View
A
Retailer 9
-
£398 GBP
€508 EUR
View
A
Retailer 10
-
£419 GBP
$561 USD
View
A
Retailer 11
-
£434 GBP
$582 USD
View
B+
Retailer 12
-
£440 GBP
View
A
Retailer 13
-
£445 GBP
A$918 AUD
View
B
Retailer 14
-
£616 GBP
$825 USD
View
B+
Retailer 15
-
£687 GBP
$920 USD
View
Retailer 16
-
£738 GBP
$989 USD
View
Price last confirmed 40 days ago
B
Retailer 17
-
£745 GBP
$998 USD
View
B
Retailer 18
-
£783 GBP
$1,049 USD
View
B
Retailer 19
-
£822 GBP
A$1,694 AUD
View
B
Retailer 20
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£885 GBP
$1,186 USD
View
B
Retailer 21
-
£911 GBP
$1,221 USD
View
B
Retailer 22
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£934 GBP
View
B
Retailer 23
-
£993 GBP
$1,330 USD
View
B
Retailer 24
-
£999 GBP
$1,339 USD
View
Most Expensive
B
Reve Diamonds
A76317E36 · Oct 30
£1,011 GBP
$1,354 USD
View
24 more retailers have this diamond
Prices start from £187 GBPSave up to £824 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
£187 GBP