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Marquise|Lab Grown|IGI

1.05ct D SI1 Marquise Lab Grown Diamond

VG • D/SI1 • IGI LG844636747

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844636747

Diamond specifications and retailer prices

From $218 USD
HK$1,700 HKD
As of November 1, 2026
Save $482 USD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $700 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 very-good cut grade and certified by IGI LG844636747 or 844636747. Listed at 11 retailers as of October 31, 2026, with prices from $218 to $700, a $482 spread on the same certified stone. Brilliant Earth lists it at $700. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.05
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844636747
Dimensions10.32 × 5.41 × 3.28 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.32 mm5.41 mm1.05 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG844636747
Side View
Table 61.0%Crown 32.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.6%

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: $700 USD|Low: $169 USD|High: $1,050 USD|Avg: $411 USD|-33.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3$169 USD
Retailer 11$218 USD
Retailer 5$226 USD
Retailer 8$320 USD
Retailer 6$326 USD
Retailer 10$344 USD
Retailer 12$352 USD
Retailer 7$404 USD
Retailer 4$518 USD
Retailer 2$560 USD
Retailer 9$639 USD
Brilliant Earth$700 USD

9 data points across 12 retailers

11 retailers$218 USD to $700 USD

A
Cheapest Retailer
-
$218 USD
HK$1,700 HKD
A
Retailer 2
-
$226 USD
£178 GBP
View
Retailer 3
-
$320 USD
€305 EUR
View
Price last confirmed 7 days ago
B+
Retailer 4
-
$326 USD
£256 GBP
View
Retailer 5
-
$344 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$352 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$404 USD
£318 GBP
View
B
Retailer 8
-
$518 USD
SGD 700 SGD
View
B
Retailer 9
-
$560 USD
View
B
Retailer 10
-
$639 USD
View
Most Expensive
B
Brilliant Earth
22235177A · Oct 31
$700 USD
View
10 more retailers have this diamond
Prices start from $218 USDSave up to $482 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
$218 USD