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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 $179 USD
HK$1,400 HKD
As of October 30, 2026
Save $1,096 USD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,275 USD 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 16 retailers as of October 25, 2026, with prices from $179 to $1,275, a $1,096 spread on the same certified stone. MOH London lists it at $1,275. 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
Color
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: Oct 30
Current: $1,275 USD|Low: $208 USD|High: $1,302 USD|Avg: $414 USD|-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$215 USD
Retailer 10$254 USD
Retailer 4$268 USD
Retailer 8$293 USD
Retailer 6$314 USD
Retailer 3$330 USD
Retailer 2$368 USD
Retailer 9$394 USD
Retailer 5$421 USD
MOH London$1,275 USD

39 data points across 10 retailers

16 retailers$179 USD to $1,275 USD

Retailer 1
-
$123 USD
Price last confirmed 21 days ago
Retailer 2
-
$143 USD
View
Price last confirmed 18 days ago
Retailer 3
-
$162 USD
View
Price last confirmed 22 days ago
A
Retailer 4
-
$179 USD
HK$1,400 HKD
View
A
Retailer 5
-
$215 USD
View
A
Retailer 6
-
$254 USD
View
A
Retailer 7
-
$268 USD
€255 EUR
View
B+
Retailer 8
-
$293 USD
View
A
Retailer 9
-
$314 USD
£247 GBP
View
A
Retailer 10
-
$330 USD
View
B+
Retailer 11
-
$368 USD
View
B+
Retailer 12
-
$394 USD
View
B+
Retailer 13
-
$421 USD
SGD 569 SGD
View
Retailer 14
-
$490 USD
View
Price last confirmed 28 days ago
Retailer 15
-
$580 USD
View
Price last confirmed 41 days ago
Most Expensive
B
MOH London
LG788668975 · Oct 25
$1,275 USD
£1,004 GBP
View
15 more retailers have this diamond
Prices start from $179 USDSave up to $1,096 USD

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
$179 USD