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Round|Lab Grown|IGI

1.20ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG692543490

Shape and cutting style on the report: Round brilliant

Certificate IGI LG692543490

Diamond specifications and retailer prices

From £122 GBP
$163 USD
As of October 29, 2026
Save £1,049 GBP (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,171 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG692543490 or 692543490. Listed at 23 retailers as of October 29, 2026, with prices from £122 to £1,171, a £1,049 spread on the same certified stone. Do Amore Diamonds lists it at £1,171. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG692543490
Dimensions6.74 × 6.78 × 4.21 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
6.74 mm6.78 mm1.20 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG692543490
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
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: £1,171 GBP|Low: £122 GBP|High: £1,171 GBP|Avg: £383 GBP
Do Amore Diamonds
Retailer 2
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October 29, 2026
Retailer 20£122 GBP
Retailer 11£137 GBP
Retailer 21£142 GBP
Retailer 3£152 GBP
Retailer 18£152 GBP
Retailer 10£204 GBP
Retailer 7£222 GBP
Retailer 19£284 GBP
Retailer 13£287 GBP
Retailer 2£300 GBP
Retailer 8£339 GBP
Retailer 4£379 GBP
Retailer 14£394 GBP
Retailer 17£408 GBP
Retailer 6£422 GBP
Retailer 5£538 GBP
Retailer 15£542 GBP
Retailer 12£668 GBP
Retailer 16£783 GBP
Retailer 9£809 GBP
Do Amore Diamonds£1,171 GBP

33 data points across 21 retailers

23 retailers£122 GBP to £1,171 GBP

A
Cheapest Retailer
-
£122 GBP
$163 USD
A
Retailer 2
-
£137 GBP
$182 USD
View
Final sale: no returns
A
Retailer 3
-
£142 GBP
$189 USD
View
A
Retailer 4
-
£152 GBP
$202 USD
View
A
Retailer 5
-
£152 GBP
$202 USD
View
B+
Retailer 6
-
£204 GBP
$272 USD
View
A
Retailer 7
-
£222 GBP
$295 USD
View
Retailer 8
-
£250 GBP
HK$2,600 HKD
View
Price last confirmed 55 days ago
A
Retailer 9
-
£284 GBP
View
A
Retailer 10
-
£287 GBP
ZAR 6,181 ZAR
View
A
Retailer 11
-
£300 GBP
View
B+
Retailer 12
-
£339 GBP
$451 USD
View
Retailer 13
-
£379 GBP
$505 USD
View
Price last confirmed 11 days ago
B+
Retailer 14
-
£394 GBP
A$808 AUD
View
B+
Retailer 15
-
£408 GBP
A$836 AUD
View
B+
Retailer 16
-
£422 GBP
$562 USD
View
Retailer 17
-
£491 GBP
$654 USD
View
Price last confirmed 43 days ago
Retailer 18
-
£538 GBP
$716 USD
View
Price last confirmed 11 days ago
B+
Retailer 19
-
£542 GBP
A$1,111 AUD
View
B
Retailer 20
-
£668 GBP
$890 USD
View
B
Retailer 21
-
£783 GBP
View
B
Retailer 22
-
£809 GBP
$1,077 USD
View
Most Expensive
B
Do Amore Diamonds
27-633AF531F · Oct 29
£1,171 GBP
$1,560 USD
View
22 more retailers have this diamond
Prices start from £122 GBPSave up to £1,049 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
1.20ct Round
£122 GBP