CaratHunter
Plans
Round|Lab Grown|IGI

0.85ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG788668975

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788668975

Diamond specifications and retailer prices

From £134 GBP
HK$1,400 HKD
As of November 1, 2026
Save £181 GBP (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £952 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 0.85ct lab-grown round diamond

This 0.85ct lab-grown round sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG788668975 or 788668975. Listed at 15 retailers as of November 1, 2026, with a 135% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.85
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788668975
Dimensions6.00 × 6.09 × 3.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.00 mm6.09 mm0.85 ctF / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG788668975
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.9%

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: £952 GBP|Low: £155 GBP|High: £972 GBP|Avg: £309 GBP|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 7£160 GBP
Retailer 10£190 GBP
Retailer 4£200 GBP
Retailer 8£219 GBP
Retailer 6£234 GBP
Retailer 3£246 GBP
Retailer 2£275 GBP
Retailer 9£294 GBP
Retailer 5£314 GBP
MOH London£952 GBP

39 data points across 10 retailers

15 retailers£134 GBP to £314 GBP

Retailer 1
-
£92 GBP
$123 USD
Price last confirmed 22 days ago
Retailer 2
-
£107 GBP
$143 USD
View
Price last confirmed 19 days ago
Retailer 3
-
£121 GBP
$162 USD
View
Price last confirmed 23 days ago
A
Retailer 4
-
£134 GBP
HK$1,400 HKD
View
Retailer 5
-
£160 GBP
$215 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£190 GBP
$254 USD
View
A
Retailer 7
-
£200 GBP
€255 EUR
View
Retailer 8
-
£219 GBP
$293 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
£234 GBP
View
A
Retailer 10
-
£246 GBP
$330 USD
View
B+
Retailer 11
-
£275 GBP
$368 USD
View
B+
Retailer 12
-
£294 GBP
$394 USD
View
B+
Retailer 13
-
£314 GBP
SGD 569 SGD
View
Retailer 14
-
£366 GBP
$490 USD
View
Price last confirmed 29 days ago
Most Expensive
MOH London
LG788668975 · Oct 25
£952 GBP
View
Price last confirmed 7 days ago
14 more retailers have this diamond
Prices start from £134 GBPSave up to £181 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
0.85ct Round
£134 GBP