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Marquise|Lab Grown|IGI

4.01ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG830677362

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830677362

Diamond specifications and retailer prices

From $7,025 USD
As of October 30, 2026
Save $12,115 USD (63%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $25,897 USD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 4.01ct lab-grown marquise diamond

This 4.01ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830677362 or 830677362. Listed at 14 retailers as of October 30, 2026, with a 172% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.01
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830677362
Dimensions16.28 × 8.04 × 5.09 mm
L/W Ratio2.02
Girdle conditionFaceted
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
16.28 mm8.04 mm4.01 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830677362
Side View
Table 61.0%Crown 36.8°Girdle: STK-THKPavilion 40°Culet: NoneDepth 63.3%

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 30
Current: $25,897 USD|Low: $6,903 USD|High: $44,870 USD|Avg: $15,055 USD|+0.2%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 31, 2026
Retailer 7$7,025 USD
Retailer 9$7,169 USD
Retailer 3$7,318 USD
Retailer 10$8,110 USD
Retailer 5$9,105 USD
Retailer 2$9,367 USD
Retailer 14$9,457 USD
Retailer 12$10,117 USD
Retailer 13$15,321 USD
Retailer 11$16,788 USD
Retailer 6$19,140 USD
Retailer 4$20,281 USD
Novita Diamonds$25,897 USD
Retailer 8$43,840 USD

26 data points across 14 retailers

14 retailers$7,025 USD to $19,140 USD

A
Cheapest Retailer
-
$7,025 USD
A
Retailer 2
-
$7,169 USD
View
A
Retailer 3
-
$7,318 USD
View
A
Retailer 4
-
$8,110 USD
View
A
Retailer 5
-
$9,105 USD
View
A
Retailer 6
-
$9,367 USD
View
A
Retailer 7
-
$9,457 USD
View
A
Retailer 8
-
$10,117 USD
View
B+
Retailer 9
-
$15,321 USD
€14,591 EUR
View
B+
Retailer 10
-
$16,788 USD
£13,219 GBP
View
B+
Retailer 11
-
$19,140 USD
View
Retailer 12
-
$20,281 USD
A$31,202 AUD
View
Price last confirmed 9 days ago
Most Expensive
Novita Diamonds
cert_830677362 · Oct 8
$25,897 USD
A$39,842 AUD
View
Price last confirmed 23 days ago
12 more retailers have this diamond
Prices start from $7,025 USDSave up to $12,115 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
4.01ct Marquise
$7,025 USD