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Oval|Lab Grown|IGI

1.59ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG770629662

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG770629662

Diamond specifications and retailer prices

From £157 GBP
$211 USD
As of October 29, 2026
Save £759 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £917 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.59ct lab-grown oval diamond

This 1.59ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770629662 or 770629662. Listed at 20 retailers as of October 29, 2026, with prices from £157 to £917, a £759 spread on the same certified stone. Reve Diamonds lists it at £917. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.59
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770629662
Dimensions9.68 × 6.60 × 4.00 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.68 mm6.60 mm1.59 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770629662
Side View
Table 60.0%Crown 36.1°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £407 GBP|Low: £151 GBP|High: £955 GBP|Avg: £447 GBP
Retailer 1
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 31, 2026
Retailer 14£157 GBP
Retailer 12£175 GBP
Retailer 5£183 GBP
Retailer 3£195 GBP
Retailer 8£218 GBP
Retailer 11£317 GBP
Retailer 9£360 GBP
Retailer 1£407 GBP
Retailer 6£410 GBP
Retailer 7£491 GBP
Retailer 13£690 GBP
Retailer 10£786 GBP
Retailer 4£876 GBP
Retailer 2£903 GBP

43 data points across 14 retailers

20 retailers£157 GBP to £917 GBP

A
Cheapest Retailer
-
£157 GBP
$211 USD
A
Retailer 2
-
£175 GBP
$235 USD
View
Final sale: no returns
A
Retailer 3
-
£183 GBP
$245 USD
View
A
Retailer 4
-
£195 GBP
$261 USD
View
A
Retailer 5
-
£218 GBP
View
A
Retailer 6
-
£220 GBP
HK$2,300 HKD
View
B+
Retailer 7
-
£270 GBP
$362 USD
View
A
Retailer 8
-
£317 GBP
€405 EUR
View
A
Retailer 9
-
£360 GBP
View
B+
Retailer 10
-
£407 GBP
A$838 AUD
View
B+
Retailer 11
-
£410 GBP
$550 USD
View
B+
Retailer 12
-
£413 GBP
$553 USD
View
B+
Retailer 13
-
£491 GBP
$658 USD
View
B
Retailer 14
-
£633 GBP
SGD 1,147 SGD
View
B
Retailer 15
-
£667 GBP
$893 USD
View
Retailer 16
-
£690 GBP
$925 USD
View
Price last confirmed 12 days ago
B
Retailer 17
-
£786 GBP
View
B
Retailer 18
-
£876 GBP
$1,174 USD
View
B
Retailer 19
-
£903 GBP
$1,210 USD
View
Most Expensive
B
Reve Diamonds
4CAFE8869 · Oct 30
£917 GBP
$1,228 USD
View
19 more retailers have this diamond
Prices start from £157 GBPSave up to £759 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
1.59ct Oval
£157 GBP