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Oval|Lab Grown|IGI

1.60ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG818685144

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818685144

Diamond specifications and retailer prices

From £177 GBP
$236 USD
As of October 29, 2026
Save £987 GBP (85%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,164 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.6ct lab-grown oval diamond

This 1.6ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818685144 or 818685144. Listed at 25 retailers as of October 28, 2026, with prices from £177 to £1,164, a £987 spread on the same certified stone. Brilliant Earth lists it at £1,164. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818685144
Dimensions9.43 × 6.69 × 4.00 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.43 mm6.69 mm1.60 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818685144
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 59.8%

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: £1,164 GBP|Low: £170 GBP|High: £1,262 GBP|Avg: £522 GBP|-7.7%
Brilliant Earth
Retailer 2
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Retailer 20
October 30, 2026
Retailer 4£177 GBP
Retailer 7£197 GBP
Retailer 11£205 GBP
Retailer 9£219 GBP
Retailer 20£246 GBP
Retailer 15£297 GBP
Retailer 18£352 GBP
Retailer 16£377 GBP
Retailer 2£415 GBP
Retailer 8£438 GBP
Retailer 12£467 GBP
Retailer 17£512 GBP
Retailer 3£575 GBP
Retailer 10£706 GBP
Retailer 19£792 GBP
Retailer 13£838 GBP
Retailer 14£884 GBP
Retailer 5£893 GBP
Retailer 6£982 GBP
Brilliant Earth£1,164 GBP

37 data points across 20 retailers

25 retailers£177 GBP to £1,164 GBP

A
Cheapest Retailer
-
£177 GBP
$236 USD
A
Retailer 2
-
£197 GBP
$263 USD
View
Final sale: no returns
A
Retailer 3
-
£205 GBP
$273 USD
View
A
Retailer 4
-
£219 GBP
$292 USD
View
A
Retailer 5
-
£219 GBP
$292 USD
View
Retailer 6
-
£246 GBP
View
Price last confirmed 13 days ago
B+
Retailer 7
-
£297 GBP
$395 USD
View
A
Retailer 8
-
£352 GBP
€446 EUR
View
A
Retailer 9
-
£377 GBP
ZAR 8,113 ZAR
View
A
Retailer 10
-
£415 GBP
View
A
Retailer 11
-
£433 GBP
$576 USD
View
A
Retailer 12
-
£438 GBP
A$898 AUD
View
A
Retailer 13
-
£455 GBP
$605 USD
View
A
Retailer 14
-
£467 GBP
$622 USD
View
A
Retailer 15
-
£512 GBP
A$1,048 AUD
View
B+
Retailer 16
-
£575 GBP
$766 USD
View
B+
Retailer 17
-
£706 GBP
$940 USD
View
B+
Retailer 18
-
£745 GBP
$992 USD
View
Retailer 19
-
£792 GBP
$1,055 USD
View
Price last confirmed 11 days ago
B+
Retailer 20
-
£838 GBP
A$1,716 AUD
View
B
Retailer 21
-
£884 GBP
View
B
Retailer 22
-
£893 GBP
$1,189 USD
View
B
Retailer 23
-
£895 GBP
$1,192 USD
View
B
Retailer 24
-
£982 GBP
$1,308 USD
View
Most Expensive
B
Brilliant Earth
21052573A · Oct 28
£1,164 GBP
$1,550 USD
View
24 more retailers have this diamond
Prices start from £177 GBPSave up to £987 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
1.60ct Oval
£177 GBP