CaratHunter
Plans
Round|Lab Grown|IGI

1.30ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG772661922

Shape and cutting style on the report: Round brilliant

Certificate IGI LG772661922

Diamond specifications and retailer prices

From £135 GBP
As of November 1, 2026
Save £648 GBP (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £783 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG772661922 or 772661922. Listed at 12 retailers as of November 1, 2026, with prices from £135 to £783, a £648 spread on the same certified stone. MOH London lists it at £783. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.30
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG772661922
Dimensions6.95 × 6.93 × 4.34 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
6.95 mm6.93 mm1.30 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG772661922
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.5%

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: Nov 1
Current: £783 GBP|Low: £130 GBP|High: £807 GBP|Avg: £339 GBP|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 4, 2026
Retailer 8£135 GBP
Retailer 9£152 GBP
Retailer 3£168 GBP
Retailer 6£285 GBP
Retailer 11£296 GBP
Retailer 7£302 GBP
Retailer 12£319 GBP
Retailer 10£354 GBP
Retailer 2£401 GBP
Retailer 5£442 GBP
Retailer 4£476 GBP
MOH London£783 GBP

35 data points across 12 retailers

12 retailers£135 GBP to £783 GBP

A
Cheapest Retailer
-
£135 GBP
A
Retailer 2
-
£152 GBP
View
Final sale: no returns
Retailer 3
-
£168 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
£285 GBP
View
A
Retailer 5
-
£296 GBP
View
A
Retailer 6
-
£302 GBP
View
A
Retailer 7
-
£319 GBP
View
B+
Retailer 8
-
£354 GBP
View
B+
Retailer 9
-
£401 GBP
View
B
Retailer 10
-
£442 GBP
View
B+
Retailer 11
-
£476 GBP
View
Most Expensive
B
MOH London
LG772661922 · Nov 1
£783 GBP
View
11 more retailers have this diamond
Prices start from £135 GBPSave up to £648 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
1.30ct Round
£135 GBP