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Round|Lab Grown|IGI

1.20ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG692526818

Shape and cutting style on the report: Round brilliant

Certificate IGI LG692526818

Diamond specifications and retailer prices

From £122 GBP
$163 USD
As of October 29, 2026
Save £1,043 GBP (90%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £1,164 GBP at Do Amore Diamonds · As of October 31, 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 LG692526818 or 692526818. Listed at 23 retailers as of October 29, 2026, with prices from £122 to £1,164, a £1,043 spread on the same certified stone. Do Amore Diamonds lists it at £1,164. 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 angle33°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG692526818
Dimensions6.90 × 6.85 × 4.16 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
6.90 mm6.85 mm1.20 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG692526818
Side View
Table 58.0%Crown 33°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.4%

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: £1,164 GBP|Low: £122 GBP|High: £1,164 GBP|Avg: £380 GBP
Do Amore Diamonds
Retailer 2
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Retailer 21
November 1, 2026
Retailer 20£122 GBP
Retailer 11£136 GBP
Retailer 21£141 GBP
Retailer 3£151 GBP
Retailer 18£151 GBP
Retailer 9£203 GBP
Retailer 10£220 GBP
Retailer 13£283 GBP
Retailer 15£286 GBP
Retailer 2£299 GBP
Retailer 7£337 GBP
Retailer 4£377 GBP
Retailer 14£392 GBP
Retailer 17£406 GBP
Retailer 6£419 GBP
Retailer 5£534 GBP
Retailer 16£539 GBP
Retailer 12£664 GBP
Retailer 19£778 GBP
Retailer 8£804 GBP
Do Amore Diamonds£1,164 GBP

34 data points across 21 retailers

23 retailers£122 GBP to £1,164 GBP

A
Cheapest Retailer
-
£122 GBP
$163 USD
A
Retailer 2
-
£136 GBP
$182 USD
View
Final sale: no returns
A
Retailer 3
-
£141 GBP
$189 USD
View
A
Retailer 4
-
£151 GBP
$202 USD
View
A
Retailer 5
-
£151 GBP
$202 USD
View
B+
Retailer 6
-
£203 GBP
$272 USD
View
A
Retailer 7
-
£220 GBP
$295 USD
View
Retailer 8
-
£248 GBP
HK$2,600 HKD
View
Price last confirmed 57 days ago
A
Retailer 9
-
£283 GBP
View
A
Retailer 10
-
£286 GBP
ZAR 6,181 ZAR
View
A
Retailer 11
-
£299 GBP
View
B+
Retailer 12
-
£337 GBP
$451 USD
View
Retailer 13
-
£377 GBP
$505 USD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
£392 GBP
A$808 AUD
View
B+
Retailer 15
-
£406 GBP
A$836 AUD
View
B+
Retailer 16
-
£419 GBP
$562 USD
View
Retailer 17
-
£488 GBP
$654 USD
View
Price last confirmed 45 days ago
Retailer 18
-
£534 GBP
$716 USD
View
Price last confirmed 14 days ago
B
Retailer 19
-
£539 GBP
A$1,111 AUD
View
B
Retailer 20
-
£664 GBP
$890 USD
View
B
Retailer 21
-
£778 GBP
View
B
Retailer 22
-
£804 GBP
$1,077 USD
View
Most Expensive
B
Do Amore Diamonds
27-281754C73 · Oct 31
£1,164 GBP
$1,560 USD
View
22 more retailers have this diamond
Prices start from £122 GBPSave up to £1,043 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