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Round|Lab Grown|IGI

1.89ct D VVS1 Round Lab Grown Diamond

EX • D/VVS1 • IGI LG818663638

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818663638

Diamond specifications and retailer prices

From £249 GBP
$333 USD
As of October 29, 2026
Save £1,513 GBP (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,761 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.89ct lab-grown round diamond

This 1.89ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818663638 or 818663638. Listed at 24 retailers as of October 29, 2026, with prices from £249 to £1,761, a £1,513 spread on the same certified stone. Brilliant Earth lists it at £1,761. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818663638
Dimensions8.00 × 7.95 × 4.88 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.00 mm7.95 mm1.89 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818663638
Side View
Table 61.0%Crown 33.3°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 61.0%

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: £1,761 GBP|Low: £278 GBP|High: £2,597 GBP|Avg: £831 GBP|-14.8%
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 30, 2026
Retailer 7£278 GBP
Retailer 2£410 GBP
Retailer 3£422 GBP
Retailer 15£431 GBP
Retailer 10£476 GBP
Retailer 13£523 GBP
Retailer 12£529 GBP
Retailer 8£550 GBP
Retailer 11£717 GBP
Retailer 4£759 GBP
Retailer 5£1,163 GBP
Retailer 6£1,207 GBP
Retailer 9£1,241 GBP
Retailer 14£1,314 GBP
Brilliant Earth£1,761 GBP

39 data points across 15 retailers

24 retailers£249 GBP to £1,761 GBP

A
Cheapest Retailer
-
£249 GBP
$333 USD
A
Retailer 2
-
£278 GBP
$372 USD
View
Final sale: no returns
A
Retailer 3
-
£288 GBP
$386 USD
View
A
Retailer 4
-
£308 GBP
$413 USD
View
A
Retailer 5
-
£308 GBP
$413 USD
View
B+
Retailer 6
-
£410 GBP
$550 USD
View
A
Retailer 7
-
£422 GBP
$565 USD
View
Retailer 8
-
£431 GBP
View
Price last confirmed 13 days ago
A
Retailer 9
-
£476 GBP
€608 EUR
View
A
Retailer 10
-
£523 GBP
A$1,078 AUD
View
A
Retailer 11
-
£529 GBP
ZAR 11,453 ZAR
View
B+
Retailer 12
-
£550 GBP
View
B+
Retailer 13
-
£658 GBP
$882 USD
View
B+
Retailer 14
-
£694 GBP
$930 USD
View
B+
Retailer 15
-
£717 GBP
A$1,479 AUD
View
B+
Retailer 16
-
£759 GBP
$1,017 USD
View
B
Retailer 17
-
£972 GBP
$1,302 USD
View
B
Retailer 18
-
£990 GBP
$1,326 USD
View
B
Retailer 19
-
£1,022 GBP
$1,370 USD
View
B
Retailer 20
-
£1,163 GBP
$1,558 USD
View
B
Retailer 21
-
£1,207 GBP
$1,617 USD
View
B
Retailer 22
-
£1,241 GBP
View
Retailer 23
-
£1,314 GBP
$1,760 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
20935739A · Oct 30
£1,761 GBP
$2,360 USD
View
23 more retailers have this diamond
Prices start from £249 GBPSave up to £1,513 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
1.89ct Round
£249 GBP