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Radiant|Lab Grown|IGI

1.67ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG836614305

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

Certificate IGI LG836614305

Diamond specifications and retailer prices

From $745 SGD
$583 USD
As of October 30, 2026
Save $4,381 SGD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,126 SGD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1.67ct lab-grown radiant diamond

This 1.67ct 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 LG836614305 or 836614305. Listed at 23 retailers as of October 28, 2026, with prices from $745 to $5,126, a $4,381 spread on the same certified stone. Rare Carat lists it at $5,126. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836614305
Dimensions8.10 × 5.93 × 4.05 mm
L/W Ratio1.37
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
8.10 mm5.93 mm1.67 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836614305
Side View
Table 64.0%Crown 42.6°Girdle: MediumPavilion 36.4°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
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 30
Current: $5,126 SGD|Low: $745 SGD|High: $6,814 SGD|Avg: $2,325 SGD|-1.1%
Rare Carat
Retailer 2
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Retailer 23
October 31, 2026
Retailer 12$745 SGD
Retailer 3$834 SGD
Retailer 6$864 SGD
Retailer 11$923 SGD
Retailer 20$979 SGD
Retailer 15$986 SGD
Retailer 23$1,093 SGD
Retailer 5$1,203 SGD
Retailer 7$1,420 SGD
Retailer 13$1,443 SGD
Retailer 2$1,511 SGD
Retailer 22$1,587 SGD
Retailer 8$1,670 SGD
Retailer 17$2,081 SGD
Retailer 10$2,429 SGD
Retailer 9$2,689 SGD
Retailer 14$2,990 SGD
Retailer 18$3,026 SGD
Retailer 4$3,302 SGD
Retailer 21$4,031 SGD
Retailer 16$4,139 SGD
Retailer 19$4,973 SGD
Rare Carat$5,126 SGD

24 data points across 23 retailers

23 retailers$745 SGD to $5,126 SGD

A
Cheapest Retailer
-
$745 SGD
$583 USD
A
Retailer 2
-
$834 SGD
$652 USD
View
A
Retailer 3
-
$864 SGD
$676 USD
View
Final sale: no returns
A
Retailer 4
-
$923 SGD
$722 USD
View
A
Retailer 5
-
$979 SGD
£603 GBP
View
Retailer 6
-
$986 SGD
$771 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$1,093 SGD
$855 USD
View
A
Retailer 8
-
$1,203 SGD
$941 USD
View
A
Retailer 9
-
$1,420 SGD
$1,111 USD
View
A
Retailer 10
-
$1,443 SGD
£889 GBP
View
Retailer 11
-
$1,511 SGD
€1,126 EUR
View
B+
Retailer 12
-
$1,587 SGD
ZAR 20,057 ZAR
View
B+
Retailer 13
-
$1,670 SGD
$1,306 USD
View
B+
Retailer 14
-
$2,081 SGD
$1,628 USD
View
B+
Retailer 15
-
$2,429 SGD
$1,900 USD
View
B+
Retailer 16
-
$2,689 SGD
£1,656 GBP
View
B+
Retailer 17
-
$2,990 SGD
$2,339 USD
View
B
Retailer 18
-
$3,026 SGD
$2,367 USD
View
B
Retailer 19
-
$3,302 SGD
$2,583 USD
View
B
Retailer 20
-
$4,031 SGD
£2,483 GBP
View
B
Retailer 21
-
$4,139 SGD
$3,238 USD
View
B
Retailer 22
-
$4,973 SGD
$3,890 USD
View
Most Expensive
B
Rare Carat
PE-252023 · Oct 28
$5,126 SGD
$4,010 USD
View
22 more retailers have this diamond
Prices start from $745 SGDSave up to $4,381 SGD

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
1.67ct Radiant
$745 SGD