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Oval|Lab Grown|IGI

1.60ct D VS1 Oval Lab Grown Diamond

ID • D/VS1 • IGI LG778654987

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778654987

Diamond specifications and retailer prices

From £204 GBP
$272 USD
As of October 29, 2026
Save £975 GBP (83%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,179 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 LG778654987 or 778654987. Listed at 25 retailers as of October 28, 2026, with prices from £204 to £1,179, a £975 spread on the same certified stone. Brilliant Earth lists it at £1,179. 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 angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778654987
Dimensions10.35 × 6.47 × 3.87 mm
L/W Ratio1.60
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.35 mm6.47 mm1.60 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778654987
Side View
Table 56.0%Crown 34.3°Girdle: MED-STKPavilion 40.5°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: £1,179 GBP|Low: £204 GBP|High: £1,292 GBP|Avg: £565 GBP|-8.7%
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
Retailer 15
October 29, 2026
Retailer 4£204 GBP
Retailer 6£228 GBP
Retailer 5£250 GBP
Retailer 7£253 GBP
Retailer 11£342 GBP
Retailer 12£431 GBP
Retailer 10£435 GBP
Retailer 2£444 GBP
Retailer 15£509 GBP
Retailer 9£589 GBP
Retailer 13£649 GBP
Retailer 3£830 GBP
Retailer 14£975 GBP
Retailer 8£1,020 GBP
Brilliant Earth£1,179 GBP

38 data points across 15 retailers

25 retailers£204 GBP to £1,179 GBP

Retailer 1
-
£204 GBP
$272 USD
Price last confirmed 38 days ago
A
Retailer 2
-
£204 GBP
$272 USD
View
A
Retailer 3
-
£228 GBP
$304 USD
View
Final sale: no returns
A
Retailer 4
-
£237 GBP
$316 USD
View
Retailer 5
-
£250 GBP
$333 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
£253 GBP
$337 USD
View
A
Retailer 7
-
£253 GBP
$337 USD
View
A
Retailer 8
-
£288 GBP
HK$3,000 HKD
View
A
Retailer 9
-
£342 GBP
$455 USD
View
B+
Retailer 10
-
£342 GBP
$455 USD
View
A
Retailer 11
-
£435 GBP
ZAR 9,365 ZAR
View
A
Retailer 12
-
£442 GBP
$588 USD
View
A
Retailer 13
-
£444 GBP
View
B+
Retailer 14
-
£509 GBP
$678 USD
View
B+
Retailer 15
-
£589 GBP
A$1,207 AUD
View
B+
Retailer 16
-
£649 GBP
$864 USD
View
Retailer 17
-
£710 GBP
$946 USD
View
Price last confirmed 43 days ago
B
Retailer 18
-
£815 GBP
$1,085 USD
View
B
Retailer 19
-
£830 GBP
SGD 1,493 SGD
View
B
Retailer 20
-
£853 GBP
$1,135 USD
View
B
Retailer 21
-
£975 GBP
$1,298 USD
View
B
Retailer 22
-
£1,020 GBP
View
B
Retailer 23
-
£1,052 GBP
$1,401 USD
View
B
Retailer 24
-
£1,069 GBP
$1,424 USD
View
Most Expensive
B
Brilliant Earth
20972631A · Oct 28
£1,179 GBP
$1,570 USD
View
24 more retailers have this diamond
Prices start from £204 GBPSave up to £975 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
£204 GBP