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Marquise|Lab Grown|IGI

1.10ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG617485550

Certificate IGI LG617485550

Diamond specifications and retailer prices

From $422 USD
HK$3,300 HKD
Save $265 USD (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,750 USD at Brilliant Earth
View at Brilliant Earth

About this 1.1ct lab-grown marquise diamond

This 1.1ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG617485550 or 617485550. Listed at 14 retailers, with a 63% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.10
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617485550
Dimensions10.85 × 5.46 × 3.34 mm
L/W Ratio1.99
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
10.85 mm5.46 mm1.10 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617485550
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $2,750 USD|Low: $232 USD|High: $2,750 USD|Avg: $968 USD
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 1, 2026
Retailer 14$233 USD
Retailer 5$420 USD
Retailer 10$422 USD
Retailer 15$583 USD
Retailer 17$590 USD
Retailer 16$599 USD
Retailer 2$604 USD
Retailer 12$617 USD
Retailer 11$688 USD
Retailer 13$693 USD
Retailer 8$1,016 USD
Retailer 18$1,074 USD
Retailer 9$1,213 USD
Retailer 3$1,311 USD
Retailer 4$1,337 USD
Retailer 6$1,487 USD
Retailer 7$1,502 USD
Brilliant Earth$2,750 USD

17 data points across 18 retailers

14 retailers$422 USD to $688 USD

A
Retailer 1
-
$420 USD
Price last confirmed 30 days ago
A
Retailer 2
-
$422 USD
HK$3,300 HKD
View
A
Retailer 3
-
$583 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$599 USD
ZAR 9,680 ZAR
View
Price last confirmed 38 days ago
A
Retailer 5
-
$604 USD
€575 EUR
View
A
Retailer 6
-
$617 USD
£486 GBP
View
Price last confirmed 27 days ago
A
Retailer 7
-
$688 USD
A$1,058 AUD
View
A
Retailer 8
-
$693 USD
View
Price last confirmed 32 days ago
B+
Retailer 9
-
$1,016 USD
View
Price last confirmed 45 days ago
B+
Retailer 10
-
$1,074 USD
A$1,652 AUD
View
Price last confirmed 48 days ago
B+
Retailer 11
-
$1,213 USD
View
Price last confirmed 30 days ago
B+
Retailer 12
-
$1,337 USD
View
Price last confirmed 58 days ago
B
Retailer 13
-
$1,487 USD
View
Price last confirmed 27 days ago
Most Expensive
B
Brilliant Earth
9013031A · Sep 7
$2,750 USD
View
Price last confirmed 24 days ago
13 more retailers have this diamond
Prices start from $422 USDSave up to $265 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.

A
1.10ct Marquise
$422 USD