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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 $255 AUD
HK$1,400 HKD
As of November 1, 2026
Save $344 AUD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,815 AUD 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,815 AUD|Low: $296 AUD|High: $1,853 AUD|Avg: $603 AUD|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8$306 AUD
Retailer 2$360 AUD
Retailer 5$381 AUD
Retailer 9$417 AUD
Retailer 7$447 AUD
Retailer 4$470 AUD
Retailer 3$524 AUD
Retailer 10$561 AUD
Retailer 6$599 AUD
MOH London$1,815 AUD

39 data points across 10 retailers

15 retailers$255 AUD to $599 AUD

Retailer 1
-
$175 AUD
$123 USD
Price last confirmed 22 days ago
Retailer 2
-
$204 AUD
$143 USD
View
Price last confirmed 20 days ago
Retailer 3
-
$231 AUD
$162 USD
View
Price last confirmed 23 days ago
A
Retailer 4
-
$255 AUD
HK$1,400 HKD
View
Retailer 5
-
$306 AUD
$215 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$360 AUD
$253 USD
View
A
Retailer 7
-
$381 AUD
€255 EUR
View
Retailer 8
-
$417 AUD
$293 USD
View
Price last confirmed 7 days ago
A
Retailer 9
-
$447 AUD
£247 GBP
View
A
Retailer 10
-
$470 AUD
$330 USD
View
B+
Retailer 11
-
$524 AUD
$368 USD
View
B+
Retailer 12
-
$561 AUD
$394 USD
View
B+
Retailer 13
-
$599 AUD
SGD 569 SGD
View
Retailer 14
-
$698 AUD
$490 USD
View
Price last confirmed 29 days ago
Most Expensive
MOH London
LG788668975 · Oct 25
$1,815 AUD
£1,004 GBP
View
Price last confirmed 8 days ago
14 more retailers have this diamond
Prices start from $255 AUDSave up to $344 AUD

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
$255 AUD