Marquise|Lab Grown|IGI

1.05ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG836626536

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG836626536

Diamond specifications and retailer prices

From $204 USD
As of November 6, 2026
Save $294 USD (59%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $847 USD at MOH London · As of October 21, 2026
View at MOH London

About this 1.05ct lab-grown marquise diamond

This 1.05ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG836626536 or 836626536. Listed at 14 retailers as of November 2, 2026, with a 144% 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

1.05
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836626536
Dimensions10.86 × 5.46 × 3.21 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.86 mm5.46 mm1.05 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG836626536
Side View
Table 67.0%Crown 32.7°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 58.8%

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 6
Current: $847 USD|Low: $162 USD|High: $862 USD|Avg: $405 USD|-0.7%
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 2, 2026
Retailer 12$162 USD
Retailer 8$204 USD
Retailer 5$216 USD
Retailer 9$307 USD
Retailer 6$309 USD
Retailer 11$333 USD
Retailer 4$350 USD
Retailer 7$387 USD
Retailer 2$467 USD
Retailer 3$498 USD
Retailer 10$560 USD
MOH London$847 USD

35 data points across 12 retailers

14 retailers$204 USD to $498 USD

Retailer 1
-
$145 USD
Price last confirmed 20 days ago
Retailer 2
-
$169 USD
View
Price last confirmed 22 days ago
Retailer 3
-
$180 USD
View
Price last confirmed 38 days ago
A
Retailer 4
-
$204 USD
View
Retailer 5
-
$307 USD
View
Price last confirmed 10 days ago
Retailer 6
-
$309 USD
View
Price last confirmed 10 days ago
Retailer 7
-
$333 USD
View
Price last confirmed 12 days ago
Retailer 8
-
$350 USD
View
Price last confirmed 12 days ago
Retailer 9
-
$387 USD
View
Price last confirmed 11 days ago
B
Retailer 10
-
$467 USD
View
B+
Retailer 11
-
$498 USD
View
Retailer 12
-
$560 USD
View
Price last confirmed 9 days ago
Retailer 13
-
$579 USD
View
Price last confirmed 21 days ago
Most Expensive
MOH London
LG836626536 · Oct 21
$847 USD
£667 GBP
View
Price last confirmed 16 days ago
13 more retailers have this diamond
Prices start from $204 USDSave up to $294 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
1.05ct Marquise
$204 USD