Marquise|Lab Grown|IGI

0.97ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG844687092

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG844687092

Diamond specifications and retailer prices

From £182 GBP
HK$1,900 HKD
As of October 26, 2026
Save £460 GBP (72%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £756 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 0.97ct lab-grown marquise diamond

This 0.97ct lab-grown marquise sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG844687092 or 844687092. Listed at 12 retailers as of October 26, 2026, with a 254% 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

0.97
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844687092
Dimensions10.22 × 5.22 × 3.20 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.22 mm5.22 mm0.97 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844687092
Side View
Table 57.0%Crown 38.5°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 61.3%

Caratlytics Score

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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 26
Current: £756 GBP|Low: £130 GBP|High: £759 GBP|Avg: £365 GBP|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 25, 2026
Retailer 7£130 GBP
Retailer 2£151 GBP
Retailer 12£182 GBP
Retailer 6£214 GBP
Retailer 3£224 GBP
Retailer 10£288 GBP
Retailer 9£340 GBP
Retailer 4£437 GBP
Retailer 8£519 GBP
Retailer 5£549 GBP
Retailer 11£642 GBP
MOH London£756 GBP

7 data points across 12 retailers

12 retailers£182 GBP to £642 GBP

Retailer 1
-
£130 GBP
$174 USD
Price last confirmed 9 days ago
Retailer 2
-
£151 GBP
$202 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
£182 GBP
HK$1,900 HKD
View
Retailer 4
-
£214 GBP
View
Price last confirmed 15 days ago
A
Retailer 5
-
£224 GBP
$300 USD
View
Retailer 6
-
£288 GBP
$386 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
£340 GBP
$455 USD
View
B+
Retailer 8
-
£437 GBP
SGD 792 SGD
View
Retailer 9
-
£519 GBP
$695 USD
View
Price last confirmed 7 days ago
B
Retailer 10
-
£549 GBP
$735 USD
View
B
Retailer 11
-
£642 GBP
$860 USD
View
Most Expensive
MOH London
LG844687092 · Oct 25
£756 GBP
View
Price last confirmed 7 days ago
11 more retailers have this diamond
Prices start from £182 GBPSave up to £460 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
0.97ct Marquise
£182 GBP