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Round|Lab Grown|IGI

1.89ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG783657873

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783657873

Diamond specifications and retailer prices

From £203 GBP
$272 USD
As of October 29, 2026
Save £859 GBP (81%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £1,702 GBP at Brilliant Earth · As of October 22, 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 LG783657873 or 783657873. Listed at 25 retailers as of October 29, 2026, with a 423% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783657873
Dimensions7.90 × 7.94 × 4.91 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
7.90 mm7.94 mm1.89 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783657873
Side View
Table 55.0%Crown 35.6°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £1,702 GBP|Low: £195 GBP|High: £1,702 GBP|Avg: £617 GBP
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 5£203 GBP
Retailer 4£235 GBP
Retailer 3£252 GBP
Retailer 6£252 GBP
Retailer 13£328 GBP
Retailer 17£351 GBP
Retailer 10£355 GBP
Retailer 23£355 GBP
Retailer 19£414 GBP
Retailer 22£432 GBP
Retailer 18£441 GBP
Retailer 12£514 GBP
Retailer 14£558 GBP
Retailer 21£585 GBP
Retailer 2£634 GBP
Retailer 9£678 GBP
Retailer 7£808 GBP
Retailer 15£846 GBP
Retailer 11£894 GBP
Retailer 20£1,013 GBP
Retailer 16£1,062 GBP
Retailer 8£1,295 GBP
Brilliant Earth£1,702 GBP

26 data points across 23 retailers

25 retailers£203 GBP to £1,062 GBP

A
Cheapest Retailer
-
£203 GBP
$272 USD
A
Retailer 2
-
£235 GBP
$315 USD
View
A
Retailer 3
-
£252 GBP
$337 USD
View
A
Retailer 4
-
£252 GBP
$337 USD
View
A
Retailer 5
-
£328 GBP
$440 USD
View
Final sale: no returns
A
Retailer 6
-
£351 GBP
View
A
Retailer 7
-
£355 GBP
$475 USD
View
B+
Retailer 8
-
£355 GBP
$475 USD
View
A
Retailer 9
-
£414 GBP
€528 EUR
View
A
Retailer 10
-
£432 GBP
ZAR 9,355 ZAR
View
A
Retailer 11
-
£441 GBP
View
A
Retailer 12
-
£514 GBP
$689 USD
View
B+
Retailer 13
-
£558 GBP
$748 USD
View
B+
Retailer 14
-
£585 GBP
A$1,206 AUD
View
Retailer 15
-
£634 GBP
$850 USD
View
B+
Retailer 16
-
£678 GBP
$908 USD
View
B+
Retailer 17
-
£772 GBP
$1,035 USD
View
B+
Retailer 18
-
£808 GBP
$1,083 USD
View
B+
Retailer 19
-
£846 GBP
$1,134 USD
View
B+
Retailer 20
-
£894 GBP
$1,198 USD
View
B+
Retailer 21
-
£967 GBP
$1,296 USD
View
B+
Retailer 22
-
£1,013 GBP
View
B
Retailer 23
-
£1,062 GBP
$1,423 USD
View
Retailer 24
-
£1,295 GBP
$1,735 USD
View
Price last confirmed 12 days ago
Most Expensive
Brilliant Earth
18328024A · Oct 22
£1,702 GBP
$2,280 USD
View
Price last confirmed 8 days ago
24 more retailers have this diamond
Prices start from £203 GBPSave up to £859 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
£203 GBP