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Marquise|Lab Grown|IGI

5.10ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG642446508

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG642446508

Diamond specifications and retailer prices

From $17,105 USD
As of October 28, 2026
Save $31,156 USD (65%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $48,261 USD at MOH London · As of November 1, 2026
View at MOH London

About this 5.1ct lab-grown marquise diamond

This 5.1ct lab-grown marquise sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG642446508 or 642446508. Listed at 29 retailers as of October 28, 2026, with prices from $17,105 to $48,261, a $31,156 spread on the same certified stone. MOH London lists it at $48,261. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.10
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG642446508
Dimensions17.51 × 8.98 × 5.67 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
17.51 mm8.98 mm5.10 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG642446508
Side View
Table 60.0%Crown 35.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.1%

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: Oct 28
Current: $48,261 USD|Low: $17,105 USD|High: $140,460 USD|Avg: $56,997 USD
MOH London
Retailer 2
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Retailer 4
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Retailer 7
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Retailer 21
November 1, 2026
Retailer 17$17,105 USD
Retailer 11$24,686 USD
Retailer 10$26,130 USD
Retailer 6$27,648 USD
Retailer 3$29,328 USD
Retailer 19$30,750 USD
Retailer 21$32,662 USD
Retailer 20$33,518 USD
Retailer 15$38,455 USD
Retailer 18$40,749 USD
Retailer 4$42,609 USD
MOH London$48,261 USD
Retailer 7$53,782 USD
Retailer 13$55,155 USD
Retailer 16$64,330 USD
Retailer 2$76,590 USD
Retailer 12$80,207 USD
Retailer 9$93,612 USD
Retailer 8$105,468 USD
Retailer 14$131,390 USD
Retailer 5$140,460 USD

32 data points across 21 retailers

29 retailers$17,105 USD to $48,261 USD

A
Cheapest Retailer
-
$17,105 USD
A
Retailer 2
-
$24,686 USD
View
B+
Retailer 3
-
$27,648 USD
View
B+
Retailer 4
-
$29,328 USD
View
Retailer 5
-
$29,328 USD
View
Price last confirmed 32 days ago
B+
Retailer 6
-
$29,328 USD
View
Retailer 7
-
$29,328 USD
View
Price last confirmed 22 days ago
Retailer 8
-
$29,328 USD
View
Price last confirmed 32 days ago
Retailer 9
-
$29,328 USD
View
Price last confirmed 24 days ago
Retailer 10
-
$29,563 USD
View
Price last confirmed 33 days ago
B+
Retailer 11
-
$30,750 USD
View
B+
Retailer 12
-
$32,662 USD
View
B+
Retailer 13
-
$33,518 USD
View
Retailer 14
-
$33,552 USD
View
Price last confirmed 33 days ago
Retailer 15
-
$34,021 USD
View
Price last confirmed 29 days ago
Retailer 16
-
$34,021 USD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
$38,455 USD
£30,280 GBP
View
B
Retailer 18
-
$40,749 USD
View
Final sale: no returns
B+
Retailer 19
-
$42,609 USD
View
Most Expensive
B
MOH London
LG642446508 · Nov 1
$48,261 USD
£38,001 GBP
View
19 more retailers have this diamond
Prices start from $17,105 USDSave up to $31,156 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
5.10ct Marquise
$17,105 USD