CaratHunter
Plans
Round|Lab Grown|IGI

1.03ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG770636405

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770636405

Diamond specifications and retailer prices

From £136 GBP
$181 USD
As of October 29, 2026
Save £670 GBP (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £806 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.03ct lab-grown round diamond

This 1.03ct 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 LG770636405 or 770636405. Listed at 20 retailers as of October 28, 2026, with prices from £136 to £806, a £670 spread on the same certified stone. Reve Diamonds lists it at £806. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770636405
Dimensions6.54 × 6.57 × 3.96 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
6.54 mm6.57 mm1.03 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770636405
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
A+
Exceptional
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: £257 GBP|Low: £136 GBP|High: £806 GBP|Avg: £366 GBP|+0.3%
Retailer 1
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
Reve Diamonds
October 29, 2026
Retailer 5£136 GBP
Retailer 14£151 GBP
Retailer 7£203 GBP
Retailer 4£224 GBP
Retailer 1£257 GBP
Retailer 10£259 GBP
Retailer 9£264 GBP
Retailer 8£283 GBP
Retailer 3£333 GBP
Retailer 2£351 GBP
Retailer 11£463 GBP
Retailer 15£485 GBP
Retailer 12£512 GBP
Retailer 6£526 GBP
Retailer 13£706 GBP
Reve Diamonds£806 GBP

44 data points across 16 retailers

20 retailers£136 GBP to £806 GBP

A+
Retailer 1
-
£107 GBP
$142 USD
Price last confirmed 22 days ago
A
Retailer 2
-
£136 GBP
$181 USD
View
Final sale: no returns
A
Retailer 3
-
£138 GBP
$183 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
£151 GBP
$200 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£173 GBP
HK$1,800 HKD
View
B+
Retailer 6
-
£203 GBP
$270 USD
View
A
Retailer 7
-
£257 GBP
View
A
Retailer 8
-
£259 GBP
ZAR 5,557 ZAR
View
B+
Retailer 9
-
£264 GBP
View
B+
Retailer 10
-
£283 GBP
€358 EUR
View
B+
Retailer 11
-
£333 GBP
$443 USD
View
B+
Retailer 12
-
£351 GBP
A$718 AUD
View
B+
Retailer 13
-
£392 GBP
$521 USD
View
B
Retailer 14
-
£412 GBP
SGD 740 SGD
View
B+
Retailer 15
-
£463 GBP
A$946 AUD
View
B
Retailer 16
-
£485 GBP
$644 USD
View
Price last confirmed 11 days ago
B
Retailer 17
-
£512 GBP
$680 USD
View
B
Retailer 18
-
£526 GBP
$699 USD
View
B
Retailer 19
-
£706 GBP
View
Most Expensive
B
Reve Diamonds
40EFC3C76 · Oct 28
£806 GBP
$1,071 USD
View
19 more retailers have this diamond
Prices start from £136 GBPSave up to £670 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+
1.03ct Round
£136 GBP