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Round|Lab Grown|IGI

1.62ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG476168413

Shape and cutting style on the report: Round brilliant

Certificate IGI LG476168413

Diamond specifications and retailer prices

From £207 GBP
$277 USD
As of October 28, 2026
Save £1,032 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,000 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore 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 LG476168413 or 476168413. Listed at 19 retailers as of October 25, 2026, with a 499% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG476168413
Dimensions7.61 × 7.55 × 4.58 mm
L/W Ratio1.01
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
7.61 mm7.55 mm1.62 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG476168413
Side View
Table 58.5%Crown 33.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.3%

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 28
Current: £2,000 GBP|Low: £177 GBP|High: £2,000 GBP|Avg: £604 GBP|+13.1%
Do Amore Diamonds
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 31, 2026
Retailer 5£207 GBP
Retailer 3£225 GBP
Retailer 8£280 GBP
Retailer 13£280 GBP
Retailer 11£303 GBP
Retailer 15£396 GBP
Retailer 7£398 GBP
Retailer 14£401 GBP
Retailer 2£552 GBP
Retailer 6£658 GBP
Retailer 10£860 GBP
Retailer 12£993 GBP
Retailer 4£1,112 GBP
Retailer 9£1,239 GBP
Do Amore Diamonds£2,000 GBP

44 data points across 15 retailers

19 retailers£207 GBP to £1,239 GBP

Retailer 1
-
£184 GBP
$247 USD
Price last confirmed 39 days ago
A
Retailer 2
-
£207 GBP
$277 USD
View
Final sale: no returns
Retailer 3
-
£225 GBP
$302 USD
View
Price last confirmed 40 days ago
A
Retailer 4
-
£225 GBP
$302 USD
View
A
Retailer 5
-
£280 GBP
$375 USD
View
A
Retailer 6
-
£280 GBP
$375 USD
View
A
Retailer 7
-
£303 GBP
$406 USD
View
B+
Retailer 8
-
£396 GBP
$530 USD
View
Retailer 9
-
£398 GBP
View
Price last confirmed 36 days ago
B+
Retailer 10
-
£401 GBP
$537 USD
View
B+
Retailer 11
-
£552 GBP
View
B
Retailer 12
-
£658 GBP
$882 USD
View
B
Retailer 13
-
£772 GBP
CA$1,436 CAD
View
Retailer 14
-
£811 GBP
$1,087 USD
View
Price last confirmed 40 days ago
B
Retailer 15
-
£860 GBP
$1,152 USD
View
B
Retailer 16
-
£993 GBP
$1,330 USD
View
B
Retailer 17
-
£1,112 GBP
$1,491 USD
View
B
Retailer 18
-
£1,239 GBP
View
Most Expensive
Do Amore Diamonds
27-71F3A7C17 · Oct 31
£2,000 GBP
$2,680 USD
View
Price under review
18 more retailers have this diamond
Prices start from £207 GBPSave up to £1,032 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
£207 GBP