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Round|Lab Grown|IGI

1.62ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG631444200

Shape and cutting style on the report: Round brilliant

Certificate IGI LG631444200

Diamond specifications and retailer prices

From £173 GBP
$232 USD
As of October 29, 2026
Save £795 GBP (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £968 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.62ct lab-grown round diamond

This 1.62ct lab-grown round 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 LG631444200 or 631444200. Listed at 16 retailers as of October 29, 2026, with prices from £173 to £968, a £795 spread on the same certified stone. Reve Diamonds lists it at £968. 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

1.62
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631444200
Dimensions7.67 × 7.65 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.67 mm7.65 mm1.62 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631444200
Side View
Table 57.0%Crown 33°Girdle: MediumPavilion 40.8°Culet: NoneDepth 59.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: £405 GBP|Low: £173 GBP|High: £970 GBP|Avg: £427 GBP|-5.3%
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
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Retailer 15
Reve Diamonds
October 31, 2026
Retailer 4£173 GBP
Retailer 2£193 GBP
Retailer 15£202 GBP
Retailer 14£215 GBP
Retailer 7£239 GBP
Retailer 8£336 GBP
Retailer 10£364 GBP
Retailer 12£376 GBP
Retailer 6£384 GBP
Retailer 1£405 GBP
Retailer 9£463 GBP
Retailer 13£692 GBP
Retailer 11£694 GBP
Retailer 5£731 GBP
Retailer 3£959 GBP
Reve Diamonds£968 GBP

41 data points across 16 retailers

16 retailers£173 GBP to £968 GBP

A
Cheapest Retailer
-
£173 GBP
$232 USD
A
Retailer 2
-
£193 GBP
$259 USD
View
Final sale: no returns
A
Retailer 3
-
£202 GBP
$270 USD
View
A
Retailer 4
-
£215 GBP
$288 USD
View
A
Retailer 5
-
£239 GBP
$320 USD
View
A
Retailer 6
-
£336 GBP
View
A
Retailer 7
-
£364 GBP
$488 USD
View
A
Retailer 8
-
£376 GBP
$504 USD
View
A
Retailer 9
-
£384 GBP
$515 USD
View
A
Retailer 10
-
£405 GBP
View
B+
Retailer 11
-
£463 GBP
$620 USD
View
B+
Retailer 12
-
£692 GBP
$927 USD
View
B+
Retailer 13
-
£694 GBP
$930 USD
View
B
Retailer 14
-
£731 GBP
$979 USD
View
B
Retailer 15
-
£959 GBP
View
Most Expensive
B
Reve Diamonds
716FAEB91 · Oct 30
£968 GBP
$1,297 USD
View
15 more retailers have this diamond
Prices start from £173 GBPSave up to £795 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
1.62ct Round
£173 GBP