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Radiant|Lab Grown|IGI

1.88ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG799643661

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG799643661

Diamond specifications and retailer prices

From $1,138 AUD
£630 GBP
As of November 1, 2026
Save $5,852 AUD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,990 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.88ct lab-grown radiant diamond

This 1.88ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799643661 or 799643661. Listed at 9 retailers as of October 31, 2026, with prices from $1,138 to $6,990, a $5,852 spread on the same certified stone. Do Amore Diamonds lists it at $6,990. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799643661
Dimensions8.61 × 6.18 × 4.24 mm
L/W Ratio1.39
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
8.61 mm6.18 mm1.88 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799643661
Side View
Table 65.0%Crown 38.7°Girdle: Slightly ThickPavilion 37.4°Culet: NoneDepth 68.6%

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: Nov 1
Current: $6,990 AUD|Low: $1,138 AUD|High: $8,769 AUD|Avg: $4,546 AUD|-4.3%
Do Amore Diamonds
Retailer 2
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Retailer 7
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Retailer 9
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Retailer 12
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Retailer 15
November 1, 2026
Retailer 2$1,138 AUD
Retailer 11$1,505 AUD
Retailer 8$1,509 AUD
Retailer 15$2,341 AUD
Retailer 12$2,517 AUD
Retailer 14$3,180 AUD
Retailer 4$3,381 AUD
Retailer 6$4,060 AUD
Retailer 10$4,697 AUD
Retailer 3$5,034 AUD
Retailer 5$5,489 AUD
Retailer 9$5,951 AUD
Retailer 13$6,463 AUD
Do Amore Diamonds$6,990 AUD
Retailer 7$7,991 AUD

17 data points across 15 retailers

9 retailers$1,138 AUD to $6,990 AUD

A
Cheapest Retailer
-
$1,138 AUD
£630 GBP
A
Retailer 2
-
$1,505 AUD
$1,057 USD
View
A
Retailer 3
-
$1,509 AUD
$1,060 USD
View
B+
Retailer 4
-
$2,517 AUD
$1,768 USD
View
B+
Retailer 5
-
$3,180 AUD
$2,234 USD
View
B
Retailer 6
-
$4,697 AUD
£2,598 GBP
View
B
Retailer 7
-
$5,951 AUD
$4,180 USD
View
Retailer 8
-
$6,463 AUD
$4,540 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-95B118855 · Oct 31
$6,990 AUD
$4,910 USD
View
8 more retailers have this diamond
Prices start from $1,138 AUDSave up to $5,852 AUD

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
1.88ct Radiant
$1,138 AUD