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Round|Lab Grown|IGI

6.18ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG773639253

Shape and cutting style on the report: Round brilliant

Certificate IGI LG773639253

Diamond specifications and retailer prices

From $14,797 SGD
$11,575 USD
As of November 1, 2026
Save $51,500 SGD (78%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $66,298 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 6.18ct lab-grown round diamond

This 6.18ct lab-grown round 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 LG773639253 or 773639253. Listed at 24 retailers as of October 31, 2026, with prices from $14,797 to $66,298, a $51,500 spread on the same certified stone. Do Amore Diamonds lists it at $66,298. 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

6.18
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773639253
Dimensions11.70 × 11.72 × 7.31 mm
L/W Ratio1.00
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
11.70 mm11.72 mm6.18 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773639253
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.4%

Caratlytics Score

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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: Nov 1
Current: $35,681 SGD|Low: $14,206 SGD|High: $51,005 SGD|Avg: $25,538 SGD|-0.2%
Retailer 1
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
November 1, 2026
Retailer 16$14,797 SGD
Retailer 5$15,389 SGD
Retailer 14$15,865 SGD
Retailer 8$16,573 SGD
Retailer 2$17,165 SGD
Retailer 13$17,169 SGD
Retailer 6$17,757 SGD
Retailer 15$18,212 SGD
Retailer 10$22,065 SGD
Retailer 9$27,732 SGD
Retailer 12$30,406 SGD
Retailer 1$35,681 SGD
Retailer 11$36,664 SGD
Retailer 3$38,454 SGD
Retailer 7$38,454 SGD
Retailer 4$44,021 SGD

44 data points across 16 retailers

24 retailers$14,797 SGD to $66,298 SGD

A
Cheapest Retailer
-
$14,797 SGD
$11,575 USD
A
Retailer 2
-
$15,389 SGD
$12,038 USD
View
Retailer 3
-
$15,865 SGD
$12,410 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$16,573 SGD
$12,964 USD
View
Final sale: no returns
A
Retailer 5
-
$17,165 SGD
$13,427 USD
View
Retailer 6
-
$17,165 SGD
$13,427 USD
View
Price last confirmed 16 days ago
A
Retailer 7
-
$17,169 SGD
$13,430 USD
View
A
Retailer 8
-
$17,494 SGD
$13,684 USD
View
A
Retailer 9
-
$17,757 SGD
$13,890 USD
View
A
Retailer 10
-
$18,212 SGD
$14,246 USD
View
A
Retailer 11
-
$19,021 SGD
$14,879 USD
View
A
Retailer 12
-
$22,065 SGD
£13,590 GBP
View
B+
Retailer 13
-
$27,732 SGD
£17,081 GBP
View
B+
Retailer 14
-
$30,406 SGD
€22,652 EUR
View
B+
Retailer 15
-
$35,681 SGD
A$42,940 AUD
View
B+
Retailer 16
-
$36,664 SGD
ZAR 463,322 ZAR
View
B+
Retailer 17
-
$38,454 SGD
$30,080 USD
View
B+
Retailer 18
-
$38,454 SGD
$30,080 USD
View
B+
Retailer 19
-
$44,021 SGD
$34,434 USD
View
B
Retailer 20
-
$47,236 SGD
$36,950 USD
View
B
Retailer 21
-
$51,005 SGD
$39,898 USD
View
B
Retailer 22
-
$54,106 SGD
$42,323 USD
View
Most Expensive
B
Do Amore Diamonds
27-15A20E95B · Oct 31
$66,298 SGD
$51,860 USD
View
22 more retailers have this diamond
Prices start from $14,797 SGDSave up to $51,500 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
6.18ct Round
$14,797 SGD