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Round|Lab Grown|IGI

1.29ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG754520642

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754520642

Diamond specifications and retailer prices

From £186 GBP
$249 USD
As of October 29, 2026
Save £1,482 GBP (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,668 GBP at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.29ct lab-grown round diamond

This 1.29ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG754520642 or 754520642. Listed at 22 retailers as of October 27, 2026, with prices from £186 to £1,668, a £1,482 spread on the same certified stone. Queensmith lists it at £1,668. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754520642
Dimensions6.92 × 6.95 × 4.33 mm
L/W Ratio1.00
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
6.92 mm6.95 mm1.29 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754520642
Side View
Table 57.0%Crown 35.3°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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: £383 GBP|Low: £132 GBP|High: £836 GBP|Avg: £444 GBP|+6.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 5£186 GBP
Retailer 2£278 GBP
Retailer 7£354 GBP
Retailer 6£375 GBP
Retailer 1£383 GBP
Retailer 3£389 GBP
Retailer 4£399 GBP
Retailer 8£503 GBP
Retailer 10£537 GBP
Retailer 11£616 GBP
Retailer 12£791 GBP
Retailer 9£827 GBP

41 data points across 12 retailers

22 retailers£186 GBP to £1,668 GBP

Retailer 1
-
£160 GBP
$214 USD
Price last confirmed 29 days ago
A
Retailer 2
-
£186 GBP
$249 USD
View
Final sale: no returns
Retailer 3
-
£193 GBP
$258 USD
View
Price last confirmed 24 days ago
Retailer 4
-
£206 GBP
$276 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
£229 GBP
HK$2,400 HKD
View
B+
Retailer 6
-
£278 GBP
$372 USD
View
A
Retailer 7
-
£354 GBP
ZAR 7,667 ZAR
View
A
Retailer 8
-
£375 GBP
€478 EUR
View
A
Retailer 9
-
£383 GBP
View
B+
Retailer 10
-
£389 GBP
$521 USD
View
B+
Retailer 11
-
£399 GBP
$534 USD
View
B+
Retailer 12
-
£503 GBP
A$1,037 AUD
View
B+
Retailer 13
-
£537 GBP
$720 USD
View
Retailer 14
-
£616 GBP
$825 USD
View
Price last confirmed 16 days ago
Retailer 15
-
£663 GBP
$888 USD
View
Price last confirmed 30 days ago
B
Retailer 16
-
£668 GBP
SGD 1,210 SGD
View
B
Retailer 17
-
£702 GBP
$941 USD
View
B
Retailer 18
-
£711 GBP
$952 USD
View
Retailer 19
-
£791 GBP
$1,060 USD
View
Price last confirmed 14 days ago
B+
Retailer 20
-
£827 GBP
View
B
Retailer 21
-
£945 GBP
$1,266 USD
View
Most Expensive
B
Queensmith
LG754520642 · Oct 27
£1,668 GBP
View
21 more retailers have this diamond
Prices start from £186 GBPSave up to £1,482 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
1.29ct Round
£186 GBP